218091565

素因数分解:

$5^1\times {\mathrm{151}}^2\times {\mathrm{1913}}^1$

素因数の和:2220

約数の個数: 12

約数和(自身を含む): 263592252

約数和(自身を除く): 45500687

約数列:

[1, 5, 151, 755, 1913, 9565, 22801, 114005, 288863, 1444315, 43618313, 218091565]

約数ペア:

[(1, 218091565), (5, 43618313), (151, 1444315), (755, 288863), (1913, 114005), (9565, 22801)]