1918643881

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{2265223}}^1$

素因数の和:2265252

約数の個数: 12

約数和(自身を含む): 2410198336

約数和(自身を除く): 491554455

約数列:

[1, 7, 11, 77, 121, 847, 2265223, 15856561, 24917453, 174422171, 274091983, 1918643881]

約数ペア:

[(1, 1918643881), (7, 274091983), (11, 174422171), (77, 24917453), (121, 15856561), (847, 2265223)]