2989408025

素因数分解:

$5^2\times {\mathrm{53}}^2\times {\mathrm{42569}}^1$

素因数の和:42685

約数の個数: 18

約数和(自身を含む): 3778215210

約数和(自身を除く): 788807185

約数列:

[1, 5, 25, 53, 265, 1325, 2809, 14045, 42569, 70225, 212845, 1064225, 2256157, 11280785, 56403925, 119576321, 597881605, 2989408025]

約数ペア:

[(1, 2989408025), (5, 597881605), (25, 119576321), (53, 56403925), (265, 11280785), (1325, 2256157), (2809, 1064225), (14045, 212845), (42569, 70225)]