664495856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{23557}}^1$

素因数の和:23649

約数の個数: 40

約数和(自身を含む): 1349590704

約数和(自身を除く): 685094848

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 14104, 23557, 28208, 47114, 94228, 188456, 376912, 965837, 1012951, 1931674, 2025902, 3863348, 4051804, 7726696, 8103608, 15453392, 16207216, 41530991, 83061982, 166123964, 332247928, 664495856]

約数ペア:

[(1, 664495856), (2, 332247928), (4, 166123964), (8, 83061982), (16, 41530991), (41, 16207216), (43, 15453392), (82, 8103608), (86, 7726696), (164, 4051804), (172, 3863348), (328, 2025902), (344, 1931674), (656, 1012951), (688, 965837), (1763, 376912), (3526, 188456), (7052, 94228), (14104, 47114), (23557, 28208)]