642592016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89051}}^1$

素因数の和:89111

約数の個数: 40

約数和(自身を含む): 1391348448

約数和(自身を除く): 748756432

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 7216, 89051, 178102, 356204, 712408, 979561, 1424816, 1959122, 3651091, 3918244, 7302182, 7836488, 14604364, 15672976, 29208728, 40162001, 58417456, 80324002, 160648004, 321296008, 642592016]

約数ペア:

[(1, 642592016), (2, 321296008), (4, 160648004), (8, 80324002), (11, 58417456), (16, 40162001), (22, 29208728), (41, 15672976), (44, 14604364), (82, 7836488), (88, 7302182), (164, 3918244), (176, 3651091), (328, 1959122), (451, 1424816), (656, 979561), (902, 712408), (1804, 356204), (3608, 178102), (7216, 89051)]