201089005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181981}}^1$

素因数の和:182016

約数の個数: 16

約数和(自身を含む): 275156784

約数和(自身を除く): 74067779

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 181981, 909905, 2365753, 3093677, 11828765, 15468385, 40217801, 201089005]

約数ペア:

[(1, 201089005), (5, 40217801), (13, 15468385), (17, 11828765), (65, 3093677), (85, 2365753), (221, 909905), (1105, 181981)]