1247326703

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{30559}}^1$

素因数の和:30604

約数の個数: 20

約数和(自身を含む): 1540774080

約数和(自身を除く): 293447377

約数列:

[1, 7, 17, 49, 119, 343, 833, 2401, 5831, 30559, 40817, 213913, 519503, 1497391, 3636521, 10481737, 25455647, 73372159, 178189529, 1247326703]

約数ペア:

[(1, 1247326703), (7, 178189529), (17, 73372159), (49, 25455647), (119, 10481737), (343, 3636521), (833, 1497391), (2401, 519503), (5831, 213913), (30559, 40817)]