72909005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65981}}^1$

素因数の和:66016

約数の個数: 16

約数和(自身を含む): 99764784

約数和(自身を除く): 26855779

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 65981, 329905, 857753, 1121677, 4288765, 5608385, 14581801, 72909005]

約数ペア:

[(1, 72909005), (5, 14581801), (13, 5608385), (17, 4288765), (65, 1121677), (85, 857753), (221, 329905), (1105, 65981)]