256400564

素因数分解:

$2^2\times 7^1\times {\mathrm{701}}^1\times {\mathrm{13063}}^1$

素因数の和:13775

約数の個数: 24

約数和(自身を含む): 513571968

約数和(自身を除く): 257171404

約数列:

[1, 2, 4, 7, 14, 28, 701, 1402, 2804, 4907, 9814, 13063, 19628, 26126, 52252, 91441, 182882, 365764, 9157163, 18314326, 36628652, 64100141, 128200282, 256400564]

約数ペア:

[(1, 256400564), (2, 128200282), (4, 64100141), (7, 36628652), (14, 18314326), (28, 9157163), (701, 365764), (1402, 182882), (2804, 91441), (4907, 52252), (9814, 26126), (13063, 19628)]