89705005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{81181}}^1$

素因数の和:81216

約数の個数: 16

約数和(自身を含む): 122747184

約数和(自身を除く): 33042179

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 81181, 405905, 1055353, 1380077, 5276765, 6900385, 17941001, 89705005]

約数ペア:

[(1, 89705005), (5, 17941001), (13, 6900385), (17, 5276765), (65, 1380077), (85, 1055353), (221, 405905), (1105, 81181)]