209631985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{2129}}^1$

素因数の和:2600

約数の個数: 16

約数和(自身を含む): 257644800

約数和(自身を除く): 48012815

約数列:

[1, 5, 47, 235, 419, 2095, 2129, 10645, 19693, 98465, 100063, 500315, 892051, 4460255, 41926397, 209631985]

約数ペア:

[(1, 209631985), (5, 41926397), (47, 4460255), (235, 892051), (419, 500315), (2095, 100063), (2129, 98465), (10645, 19693)]