12757390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43991}}^1$

素因数の和:44027

約数の個数: 16

約数和(自身を含む): 23755680

約数和(自身を除く): 10998290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 43991, 87982, 219955, 439910, 1275739, 2551478, 6378695, 12757390]

約数ペア:

[(1, 12757390), (2, 6378695), (5, 2551478), (10, 1275739), (29, 439910), (58, 219955), (145, 87982), (290, 43991)]