28702090

素因数分解:

$2^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{3863}}^1$

素因数の和:4613

約数の個数: 16

約数和(自身を含む): 51746688

約数和(自身を除く): 23044598

約数列:

[1, 2, 5, 10, 743, 1486, 3715, 3863, 7430, 7726, 19315, 38630, 2870209, 5740418, 14351045, 28702090]

約数ペア:

[(1, 28702090), (2, 14351045), (5, 5740418), (10, 2870209), (743, 38630), (1486, 19315), (3715, 7726), (3863, 7430)]