397389616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1910527}}^1$

素因数の和:1910548

約数の個数: 20

約数和(自身を含む): 829169152

約数和(自身を除く): 431779536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1910527, 3821054, 7642108, 15284216, 24836851, 30568432, 49673702, 99347404, 198694808, 397389616]

約数ペア:

[(1, 397389616), (2, 198694808), (4, 99347404), (8, 49673702), (13, 30568432), (16, 24836851), (26, 15284216), (52, 7642108), (104, 3821054), (208, 1910527)]