28697770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66739}}^1$

素因数の和:66789

約数の個数: 16

約数和(自身を含む): 52858080

約数和(自身を除く): 24160310

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 66739, 133478, 333695, 667390, 2869777, 5739554, 14348885, 28697770]

約数ペア:

[(1, 28697770), (2, 14348885), (5, 5739554), (10, 2869777), (43, 667390), (86, 333695), (215, 133478), (430, 66739)]