209520818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{474029}}^1$

素因数の和:474061

約数の個数: 16

約数和(自身を含む): 358366680

約数和(自身を除く): 148845862

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 474029, 948058, 6162377, 8058493, 12324754, 16116986, 104760409, 209520818]

約数ペア:

[(1, 209520818), (2, 104760409), (13, 16116986), (17, 12324754), (26, 8058493), (34, 6162377), (221, 948058), (442, 474029)]