12928925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 17577000

約数和(自身を除く): 4648075

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1049, 2465, 5245, 12325, 17833, 26225, 30421, 89165, 152105, 445825, 517157, 760525, 2585785, 12928925]

約数ペア:

[(1, 12928925), (5, 2585785), (17, 760525), (25, 517157), (29, 445825), (85, 152105), (145, 89165), (425, 30421), (493, 26225), (725, 17833), (1049, 12325), (2465, 5245)]