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The aliquot sequence for a number is a sequence of positive integers in which each term is the sum of the proper divisors of the previous term.
The number 276 is the smallest integer which the complete aliquot sequence is unknown. Here is a list of the first part in the sequence:
0: 276 1: 396 2: 696 3: 1104 4: 1872 5: 3770 6: 3790 7: 3050 8: 2716 9: 2772 10: 5964 11: 10164 12: 19628 13: 19684 14: 22876 15: 26404 16: 30044 17: 33796 18: 38780 19: 54628 20: 54684 21: 111300 22: 263676 23: 465668 24: 465724 25: 465780 26: 1026060 27: 2325540 28: 5335260 29: 11738916 30: 23117724 31: 45956820 32: 121129260 33: 266485716 34: 558454764 35: 1092873236 36: 1470806764 37: 1471882804 38: 1642613196 39: 2737688884 40: 2740114636 41: 2791337780 42: 4946860492 43: 4946860548 44: 9344070652 45: 9344070708 46: 15573451404 47: 27078171764 48: 27284104204 49: 27410152084 50: 27410152140 51: 76787720100 52: 220578719452 53: 254903331620 54: 361672366300 55: 603062136740 56: 921203207260 57: 1381419996068 58: 1395444575644 59: 1395478688996 60: 1395546402460 61: 2069258468900 62: 3065057872156 63: 3277068463844 64: 3429776547484 65: 3597527970596 66: 4028517592540 67: 5641400009252 68: 5641400009308 69: 5641400009364 70: 9709348326636 71: 16331909651988 72: 31948891146732 73: 54770416120644 74: 100509779504316 75: 208751080955844 76: 388416032284476 77: 749365894850244 78: 1414070378301756 79: 2556878765995204 80: 2556878765995260 81: 6726041614128900 82: 15626498692840700 83: 23762659088671300 84: 35168735451235260 85: 78257359358590020 86: 186897487211247036 87: 340813223900632644 88: 592585414385033916 89: 1326583294186844484 90: 2594892903616159356 91: 4946738730471899844 92: 8244565422068579772
