256448878

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 446814720

約数和(自身を除く): 190365842

約数列:

[1, 2, 7, 14, 109, 163, 218, 326, 763, 1031, 1141, 1526, 2062, 2282, 7217, 14434, 17767, 35534, 112379, 124369, 168053, 224758, 248738, 336106, 786653, 1176371, 1573306, 2352742, 18317777, 36635554, 128224439, 256448878]

約数ペア:

[(1, 256448878), (2, 128224439), (7, 36635554), (14, 18317777), (109, 2352742), (163, 1573306), (218, 1176371), (326, 786653), (763, 336106), (1031, 248738), (1141, 224758), (1526, 168053), (2062, 124369), (2282, 112379), (7217, 35534), (14434, 17767)]