12493325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{2957}}^1$

素因数の和:2993

約数の個数: 18

約数和(自身を含む): 16780734

約数和(自身を除く): 4287409

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 2957, 4225, 14785, 38441, 73925, 192205, 499733, 961025, 2498665, 12493325]

約数ペア:

[(1, 12493325), (5, 2498665), (13, 961025), (25, 499733), (65, 192205), (169, 73925), (325, 38441), (845, 14785), (2957, 4225)]