557191505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{21377}}^1$

素因数の和:21796

約数の個数: 16

約数和(自身を含む): 721892304

約数和(自身を除く): 164700799

約数列:

[1, 5, 13, 65, 401, 2005, 5213, 21377, 26065, 106885, 277901, 1389505, 8572177, 42860885, 111438301, 557191505]

約数ペア:

[(1, 557191505), (5, 111438301), (13, 42860885), (65, 8572177), (401, 1389505), (2005, 277901), (5213, 106885), (21377, 26065)]