161364815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{4153}}^1$

素因数の和:4586

約数の個数: 16

約数和(自身を含む): 204376800

約数和(自身を除く): 43011985

約数列:

[1, 5, 19, 95, 409, 2045, 4153, 7771, 20765, 38855, 78907, 394535, 1698577, 8492885, 32272963, 161364815]

約数ペア:

[(1, 161364815), (5, 32272963), (19, 8492885), (95, 1698577), (409, 394535), (2045, 78907), (4153, 38855), (7771, 20765)]