254405125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3331}}^1$

素因数の和:3406

約数の個数: 32

約数和(自身を含む): 349300224

約数和(自身を除く): 94895099

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 611, 1175, 1625, 3055, 3331, 5875, 15275, 16655, 43303, 76375, 83275, 156557, 216515, 416375, 782785, 1082575, 2035241, 3913925, 5412875, 10176205, 19569625, 50881025, 254405125]

約数ペア:

[(1, 254405125), (5, 50881025), (13, 19569625), (25, 10176205), (47, 5412875), (65, 3913925), (125, 2035241), (235, 1082575), (325, 782785), (611, 416375), (1175, 216515), (1625, 156557), (3055, 83275), (3331, 76375), (5875, 43303), (15275, 16655)]