161858675

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{53507}}^1$

素因数の和:53539

約数の個数: 18

約数和(自身を含む): 220613484

約数和(自身を除く): 58754809

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 53507, 267535, 588577, 1337675, 2942885, 6474347, 14714425, 32371735, 161858675]

約数ペア:

[(1, 161858675), (5, 32371735), (11, 14714425), (25, 6474347), (55, 2942885), (121, 1337675), (275, 588577), (605, 267535), (3025, 53507)]