72220369

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 82978560

約数和(自身を除く): 10758191

約数列:

[1, 13, 17, 139, 221, 1807, 2351, 2363, 30563, 30719, 39967, 326789, 519571, 4248257, 5555413, 72220369]

約数ペア:

[(1, 72220369), (13, 5555413), (17, 4248257), (139, 519571), (221, 326789), (1807, 39967), (2351, 30719), (2363, 30563)]