391485406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{23417}}^1$

素因数の和:24075

約数の個数: 16

約数和(自身を含む): 633410064

約数和(自身を除く): 241924658

約数列:

[1, 2, 13, 26, 643, 1286, 8359, 16718, 23417, 46834, 304421, 608842, 15057131, 30114262, 195742703, 391485406]

約数ペア:

[(1, 391485406), (2, 195742703), (13, 30114262), (26, 15057131), (643, 608842), (1286, 304421), (8359, 46834), (16718, 23417)]