57681631

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 70943264

約数和(自身を除く): 13261633

約数列:

[1, 7, 23, 37, 161, 259, 421, 529, 851, 2947, 3703, 5957, 9683, 15577, 19573, 67781, 109039, 137011, 222709, 358271, 1558963, 2507897, 8240233, 57681631]

約数ペア:

[(1, 57681631), (7, 8240233), (23, 2507897), (37, 1558963), (161, 358271), (259, 222709), (421, 137011), (529, 109039), (851, 67781), (2947, 19573), (3703, 15577), (5957, 9683)]