400919908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1531}}^1\times {\mathrm{3851}}^1$

素因数の和:5403

約数の個数: 24

約数和(自身を含む): 743559264

約数和(自身を除く): 342639356

約数列:

[1, 2, 4, 17, 34, 68, 1531, 3062, 3851, 6124, 7702, 15404, 26027, 52054, 65467, 104108, 130934, 261868, 5895881, 11791762, 23583524, 100229977, 200459954, 400919908]

約数ペア:

[(1, 400919908), (2, 200459954), (4, 100229977), (17, 23583524), (34, 11791762), (68, 5895881), (1531, 261868), (3062, 130934), (3851, 104108), (6124, 65467), (7702, 52054), (15404, 26027)]