51078235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25349}}^1$

素因数の和:25398

約数の個数: 16

約数和(自身を含む): 68140800

約数和(自身を除く): 17062565

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 25349, 126745, 329537, 785819, 1647685, 3929095, 10215647, 51078235]

約数ペア:

[(1, 51078235), (5, 10215647), (13, 3929095), (31, 1647685), (65, 785819), (155, 329537), (403, 126745), (2015, 25349)]