81785572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 168521472

約数和(自身を除く): 86735900

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 53, 68, 106, 187, 212, 374, 583, 748, 901, 1166, 1802, 2063, 2332, 3604, 4126, 8252, 9911, 19822, 22693, 35071, 39644, 45386, 70142, 90772, 109339, 140284, 218678, 385781, 437356, 771562, 1202729, 1543124, 1858763, 2405458, 3717526, 4810916, 7435052, 20446393, 40892786, 81785572]

約数ペア:

[(1, 81785572), (2, 40892786), (4, 20446393), (11, 7435052), (17, 4810916), (22, 3717526), (34, 2405458), (44, 1858763), (53, 1543124), (68, 1202729), (106, 771562), (187, 437356), (212, 385781), (374, 218678), (583, 140284), (748, 109339), (901, 90772), (1166, 70142), (1802, 45386), (2063, 39644), (2332, 35071), (3604, 22693), (4126, 19822), (8252, 9911)]