8681489999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{4337}}^1\times {\mathrm{21997}}^1$

素因数の和:26354

約数の個数: 16

約数和(自身を含む): 10687860288

約数和(自身を除く): 2006370289

約数列:

[1, 7, 13, 91, 4337, 21997, 30359, 56381, 153979, 285961, 394667, 2001727, 95400989, 667806923, 1240212857, 8681489999]

約数ペア:

[(1, 8681489999), (7, 1240212857), (13, 667806923), (91, 95400989), (4337, 2001727), (21997, 394667), (30359, 285961), (56381, 153979)]