256420156

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{1363937}}^1$

素因数の和:1363988

約数の個数: 12

約数和(自身を含む): 458283168

約数和(自身を除く): 201863012

約数列:

[1, 2, 4, 47, 94, 188, 1363937, 2727874, 5455748, 64105039, 128210078, 256420156]

約数ペア:

[(1, 256420156), (2, 128210078), (4, 64105039), (47, 5455748), (94, 2727874), (188, 1363937)]