129289279

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{27691}}^1$

素因数の和:27750

約数の個数: 16

約数和(自身を含む): 159505920

約数和(自身を除く): 30216641

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 27691, 193837, 636893, 803039, 4458251, 5621273, 18469897, 129289279]

約数ペア:

[(1, 129289279), (7, 18469897), (23, 5621273), (29, 4458251), (161, 803039), (203, 636893), (667, 193837), (4669, 27691)]