668417197

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1\times {\mathrm{1223}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 770826240

約数和(自身を除く): 102409043

約数列:

[1, 7, 163, 479, 1141, 1223, 3353, 8561, 78077, 199349, 546539, 585817, 1395443, 4100719, 95488171, 668417197]

約数ペア:

[(1, 668417197), (7, 95488171), (163, 4100719), (479, 1395443), (1141, 585817), (1223, 546539), (3353, 199349), (8561, 78077)]