856554530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{506837}}^1$

素因数の和:506870

約数の個数: 24

約数和(自身を含む): 1669524372

約数和(自身を除く): 812969842

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 506837, 1013674, 2534185, 5068370, 6588881, 13177762, 32944405, 65888810, 85655453, 171310906, 428277265, 856554530]

約数ペア:

[(1, 856554530), (2, 428277265), (5, 171310906), (10, 85655453), (13, 65888810), (26, 32944405), (65, 13177762), (130, 6588881), (169, 5068370), (338, 2534185), (845, 1013674), (1690, 506837)]