129343825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{397981}}^1$

素因数の和:398004

約数の個数: 12

約数和(自身を含む): 172724188

約数和(自身を除く): 43380363

約数列:

[1, 5, 13, 25, 65, 325, 397981, 1989905, 5173753, 9949525, 25868765, 129343825]

約数ペア:

[(1, 129343825), (5, 25868765), (13, 9949525), (25, 5173753), (65, 1989905), (325, 397981)]