51357475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8317}}^1$

素因数の和:8359

約数の個数: 24

約数和(自身を含む): 72200240

約数和(自身を除く): 20842765

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 8317, 41585, 108121, 158023, 207925, 540605, 790115, 2054299, 2703025, 3950575, 10271495, 51357475]

約数ペア:

[(1, 51357475), (5, 10271495), (13, 3950575), (19, 2703025), (25, 2054299), (65, 790115), (95, 540605), (247, 207925), (325, 158023), (475, 108121), (1235, 41585), (6175, 8317)]