215564765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{2111}}^1$

素因数の和:3700

約数の個数: 16

約数和(自身を含む): 278885376

約数和(自身を除く): 63320611

約数列:

[1, 5, 13, 65, 1571, 2111, 7855, 10555, 20423, 27443, 102115, 137215, 3316381, 16581905, 43112953, 215564765]

約数ペア:

[(1, 215564765), (5, 43112953), (13, 16581905), (65, 3316381), (1571, 137215), (2111, 102115), (7855, 27443), (10555, 20423)]