521383850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{802129}}^1$

素因数の和:802154

約数の個数: 24

約数和(自身を含む): 1044373260

約数和(自身を除く): 522989410

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 802129, 1604258, 4010645, 8021290, 10427677, 20053225, 20855354, 40106450, 52138385, 104276770, 260691925, 521383850]

約数ペア:

[(1, 521383850), (2, 260691925), (5, 104276770), (10, 52138385), (13, 40106450), (25, 20855354), (26, 20053225), (50, 10427677), (65, 8021290), (130, 4010645), (325, 1604258), (650, 802129)]