664790791

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{714061}}^1$

素因数の和:714094

約数の個数: 12

約数和(自身を含む): 814030680

約数和(自身を除く): 149239889

約数列:

[1, 7, 19, 49, 133, 931, 714061, 4998427, 13567159, 34988989, 94970113, 664790791]

約数ペア:

[(1, 664790791), (7, 94970113), (19, 34988989), (49, 13567159), (133, 4998427), (931, 714061)]