218974852

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1\times {\mathrm{1277}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 387326016

約数和(自身を除く): 168351164

約数列:

[1, 2, 4, 163, 263, 326, 526, 652, 1052, 1277, 2554, 5108, 42869, 85738, 171476, 208151, 335851, 416302, 671702, 832604, 1343404, 54743713, 109487426, 218974852]

約数ペア:

[(1, 218974852), (2, 109487426), (4, 54743713), (163, 1343404), (263, 832604), (326, 671702), (526, 416302), (652, 335851), (1052, 208151), (1277, 171476), (2554, 85738), (5108, 42869)]