64997525

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{17449}}^1$

素因数の和:17608

約数の個数: 12

約数和(自身を含む): 81142500

約数和(自身を除く): 16144975

約数列:

[1, 5, 25, 149, 745, 3725, 17449, 87245, 436225, 2599901, 12999505, 64997525]

約数ペア:

[(1, 64997525), (5, 12999505), (25, 2599901), (149, 436225), (745, 87245), (3725, 17449)]