81974992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1999}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 174096000

約数和(自身を除く): 92121008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 233, 466, 932, 1864, 1999, 2563, 3728, 3998, 5126, 7996, 10252, 15992, 20504, 21989, 31984, 41008, 43978, 87956, 175912, 351824, 465767, 931534, 1863068, 3726136, 5123437, 7452272, 10246874, 20493748, 40987496, 81974992]

約数ペア:

[(1, 81974992), (2, 40987496), (4, 20493748), (8, 10246874), (11, 7452272), (16, 5123437), (22, 3726136), (44, 1863068), (88, 931534), (176, 465767), (233, 351824), (466, 175912), (932, 87956), (1864, 43978), (1999, 41008), (2563, 31984), (3728, 21989), (3998, 20504), (5126, 15992), (7996, 10252)]