8917870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 17428320

約数和(自身を除く): 8510450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 379, 758, 905, 1810, 1895, 2353, 3790, 4706, 4927, 9854, 11765, 23530, 24635, 49270, 68599, 137198, 342995, 685990, 891787, 1783574, 4458935, 8917870]

約数ペア:

[(1, 8917870), (2, 4458935), (5, 1783574), (10, 891787), (13, 685990), (26, 342995), (65, 137198), (130, 68599), (181, 49270), (362, 24635), (379, 23530), (758, 11765), (905, 9854), (1810, 4927), (1895, 4706), (2353, 3790)]