6686989085

素因数分解:

$5^1\times 7^4\times {\mathrm{557017}}^1$

素因数の和:557050

約数の個数: 20

約数和(自身を含む): 9361244508

約数和(自身を除く): 2674255423

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 557017, 2785085, 3899119, 19495595, 27293833, 136469165, 191056831, 955284155, 1337397817, 6686989085]

約数ペア:

[(1, 6686989085), (5, 1337397817), (7, 955284155), (35, 191056831), (49, 136469165), (245, 27293833), (343, 19495595), (1715, 3899119), (2401, 2785085), (12005, 557017)]