1229746895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439981}}^1$

素因数の和:440042

約数の個数: 16

約数和(自身を含む): 1626173472

約数和(自身を除く): 396426577

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 439981, 2199905, 5719753, 18919183, 28598765, 94595915, 245949379, 1229746895]

約数ペア:

[(1, 1229746895), (5, 245949379), (13, 94595915), (43, 28598765), (65, 18919183), (215, 5719753), (559, 2199905), (2795, 439981)]