12686687999

素因数分解:

${\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1\times {\mathrm{10789}}^1$

素因数の和:11318

約数の個数: 16

約数和(自身を含む): 13465920000

約数和(自身を除く): 779232001

約数列:

[1, 19, 199, 311, 3781, 5909, 10789, 61889, 204991, 1175891, 2147011, 3355379, 40793209, 63752201, 667720421, 12686687999]

約数ペア:

[(1, 12686687999), (19, 667720421), (199, 63752201), (311, 40793209), (3781, 3355379), (5909, 2147011), (10789, 1175891), (61889, 204991)]