251290481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{39209}}^1$

素因数の和:39268

約数の個数: 16

約数和(自身を含む): 296427600

約数和(自身を除く): 45137119

約数列:

[1, 13, 17, 29, 221, 377, 493, 6409, 39209, 509717, 666553, 1137061, 8665189, 14781793, 19330037, 251290481]

約数ペア:

[(1, 251290481), (13, 19330037), (17, 14781793), (29, 8665189), (221, 1137061), (377, 666553), (493, 509717), (6409, 39209)]