259902118

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{640153}}^1$

素因数の和:640191

約数の個数: 16

約数和(自身を含む): 460910880

約数和(自身を除く): 201008762

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 640153, 1280306, 4481071, 8962142, 18564437, 37128874, 129951059, 259902118]

約数ペア:

[(1, 259902118), (2, 129951059), (7, 37128874), (14, 18564437), (29, 8962142), (58, 4481071), (203, 1280306), (406, 640153)]