57128929

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 68515200

約数和(自身を除く): 11386271

約数列:

[1, 11, 13, 79, 143, 169, 389, 869, 1027, 1859, 4279, 5057, 11297, 13351, 30731, 55627, 65741, 146861, 338041, 399503, 723151, 4394533, 5193539, 57128929]

約数ペア:

[(1, 57128929), (11, 5193539), (13, 4394533), (79, 723151), (143, 399503), (169, 338041), (389, 146861), (869, 65741), (1027, 55627), (1859, 30731), (4279, 13351), (5057, 11297)]