389909912

素因数分解:

$2^3\times 7^1\times {\mathrm{6962677}}^1$

素因数の和:6962690

約数の個数: 16

約数和(自身を含む): 835521360

約数和(自身を除く): 445611448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 6962677, 13925354, 27850708, 48738739, 55701416, 97477478, 194954956, 389909912]

約数ペア:

[(1, 389909912), (2, 194954956), (4, 97477478), (7, 55701416), (8, 48738739), (14, 27850708), (28, 13925354), (56, 6962677)]