221424416

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{42451}}^1$

素因数の和:42624

約数の個数: 24

約数和(自身を含む): 438614064

約数和(自身を除く): 217189648

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 5216, 42451, 84902, 169804, 339608, 679216, 1358432, 6919513, 13839026, 27678052, 55356104, 110712208, 221424416]

約数ペア:

[(1, 221424416), (2, 110712208), (4, 55356104), (8, 27678052), (16, 13839026), (32, 6919513), (163, 1358432), (326, 679216), (652, 339608), (1304, 169804), (2608, 84902), (5216, 42451)]