28198970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65579}}^1$

素因数の和:65629

約数の個数: 16

約数和(自身を含む): 51939360

約数和(自身を除く): 23740390

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 65579, 131158, 327895, 655790, 2819897, 5639794, 14099485, 28198970]

約数ペア:

[(1, 28198970), (2, 14099485), (5, 5639794), (10, 2819897), (43, 655790), (86, 327895), (215, 131158), (430, 65579)]