208776815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{4243}}^1$

素因数の和:5018

約数の個数: 16

約数和(自身を含む): 270223968

約数和(自身を除く): 61447153

約数列:

[1, 5, 13, 65, 757, 3785, 4243, 9841, 21215, 49205, 55159, 275795, 3211951, 16059755, 41755363, 208776815]

約数ペア:

[(1, 208776815), (5, 41755363), (13, 16059755), (65, 3211951), (757, 275795), (3785, 55159), (4243, 49205), (9841, 21215)]