211045460

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{16411}}^1$

素因数の和:17063

約数の個数: 24

約数和(自身を含む): 443911776

約数和(自身を除く): 232866316

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 16411, 32822, 65644, 82055, 164110, 328220, 10552273, 21104546, 42209092, 52761365, 105522730, 211045460]

約数ペア:

[(1, 211045460), (2, 105522730), (4, 52761365), (5, 42209092), (10, 21104546), (20, 10552273), (643, 328220), (1286, 164110), (2572, 82055), (3215, 65644), (6430, 32822), (12860, 16411)]