172137815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{42139}}^1$

素因数の和:42206

約数の個数: 16

約数和(自身を含む): 222499200

約数和(自身を除く): 50361385

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 42139, 210695, 800641, 1811977, 4003205, 9059885, 34427563, 172137815]

約数ペア:

[(1, 172137815), (5, 34427563), (19, 9059885), (43, 4003205), (95, 1811977), (215, 800641), (817, 210695), (4085, 42139)]