163956325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3851}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 220673376

約数和(自身を除く): 56717051

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 3275, 3851, 8515, 19255, 42575, 50063, 96275, 250315, 504481, 1251575, 2522405, 6558253, 12612025, 32791265, 163956325]

約数ペア:

[(1, 163956325), (5, 32791265), (13, 12612025), (25, 6558253), (65, 2522405), (131, 1251575), (325, 504481), (655, 250315), (1703, 96275), (3275, 50063), (3851, 42575), (8515, 19255)]