1311475790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1847149}}^1$

素因数の和:1847227

約数の個数: 16

約数和(自身を含む): 2393906400

約数和(自身を除く): 1082430610

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1847149, 3694298, 9235745, 18471490, 131147579, 262295158, 655737895, 1311475790]

約数ペア:

[(1, 1311475790), (2, 655737895), (5, 262295158), (10, 131147579), (71, 18471490), (142, 9235745), (355, 3694298), (710, 1847149)]