161657275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3797}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 217579824

約数和(自身を除く): 55922549

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 3275, 3797, 8515, 18985, 42575, 49361, 94925, 246805, 497407, 1234025, 2487035, 6466291, 12435175, 32331455, 161657275]

約数ペア:

[(1, 161657275), (5, 32331455), (13, 12435175), (25, 6466291), (65, 2487035), (131, 1234025), (325, 497407), (655, 246805), (1703, 94925), (3275, 49361), (3797, 42575), (8515, 18985)]