71886017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{857}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 85992192

約数和(自身を除く): 14106175

約数列:

[1, 7, 23, 161, 521, 857, 3647, 5999, 11983, 19711, 83881, 137977, 446497, 3125479, 10269431, 71886017]

約数ペア:

[(1, 71886017), (7, 10269431), (23, 3125479), (161, 446497), (521, 137977), (857, 83881), (3647, 19711), (5999, 11983)]