171938225

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{13001}}^1$

素因数の和:13057

約数の個数: 18

約数和(自身を含む): 222893286

約数和(自身を除く): 50955061

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 13001, 13225, 65005, 299023, 325025, 1495115, 6877529, 7475575, 34387645, 171938225]

約数ペア:

[(1, 171938225), (5, 34387645), (23, 7475575), (25, 6877529), (115, 1495115), (529, 325025), (575, 299023), (2645, 65005), (13001, 13225)]