64722959

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 75264000

約数和(自身を除く): 10541041

約数列:

[1, 7, 97, 199, 479, 679, 1393, 3353, 19303, 46463, 95321, 135121, 325241, 667247, 9246137, 64722959]

約数ペア:

[(1, 64722959), (7, 9246137), (97, 667247), (199, 325241), (479, 135121), (679, 95321), (1393, 46463), (3353, 19303)]