198029495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{4001}}^1$

素因数の和:4546

約数の個数: 16

約数和(自身を含む): 250685280

約数和(自身を除く): 52655785

約数列:

[1, 5, 19, 95, 521, 2605, 4001, 9899, 20005, 49495, 76019, 380095, 2084521, 10422605, 39605899, 198029495]

約数ペア:

[(1, 198029495), (5, 39605899), (19, 10422605), (95, 2084521), (521, 380095), (2605, 76019), (4001, 49495), (9899, 20005)]