51162865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25391}}^1$

素因数の和:25440

約数の個数: 16

約数和(自身を含む): 68253696

約数和(自身を除く): 17090831

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 25391, 126955, 330083, 787121, 1650415, 3935605, 10232573, 51162865]

約数ペア:

[(1, 51162865), (5, 10232573), (13, 3935605), (31, 1650415), (65, 787121), (155, 330083), (403, 126955), (2015, 25391)]