257859842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{18913}}^1$

素因数の和:19333

約数の個数: 16

約数和(自身を含む): 410585112

約数和(自身を除く): 152725270

約数列:

[1, 2, 17, 34, 401, 802, 6817, 13634, 18913, 37826, 321521, 643042, 7584113, 15168226, 128929921, 257859842]

約数ペア:

[(1, 257859842), (2, 128929921), (17, 15168226), (34, 7584113), (401, 643042), (802, 321521), (6817, 37826), (13634, 18913)]