77289989

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{571}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 90220416

約数和(自身を除く): 12930427

約数列:

[1, 7, 61, 317, 427, 571, 2219, 3997, 19337, 34831, 135359, 181007, 243817, 1267049, 11041427, 77289989]

約数ペア:

[(1, 77289989), (7, 11041427), (61, 1267049), (317, 243817), (427, 181007), (571, 135359), (2219, 34831), (3997, 19337)]