28338205

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2861}}^1$

素因数の和:3156

約数の個数: 16

約数和(自身を含む): 39014784

約数和(自身を除く): 10676579

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 2861, 9905, 14305, 20027, 100135, 809663, 4048315, 5667641, 28338205]

約数ペア:

[(1, 28338205), (5, 5667641), (7, 4048315), (35, 809663), (283, 100135), (1415, 20027), (1981, 14305), (2861, 9905)]