15400895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 19660320

約数和(自身を除く): 4259425

約数列:

[1, 5, 17, 85, 409, 443, 2045, 2215, 6953, 7531, 34765, 37655, 181187, 905935, 3080179, 15400895]

約数ペア:

[(1, 15400895), (5, 3080179), (17, 905935), (85, 181187), (409, 37655), (443, 34765), (2045, 7531), (2215, 6953)]