256420108

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{40343}}^1$

素因数の和:40581

約数の個数: 24

約数和(自身を含む): 515112192

約数和(自身を除く): 258692084

約数列:

[1, 2, 4, 7, 14, 28, 227, 454, 908, 1589, 3178, 6356, 40343, 80686, 161372, 282401, 564802, 1129604, 9157861, 18315722, 36631444, 64105027, 128210054, 256420108]

約数ペア:

[(1, 256420108), (2, 128210054), (4, 64105027), (7, 36631444), (14, 18315722), (28, 9157861), (227, 1129604), (454, 564802), (908, 282401), (1589, 161372), (3178, 80686), (6356, 40343)]