28900730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67211}}^1$

素因数の和:67261

約数の個数: 16

約数和(自身を含む): 53231904

約数和(自身を除く): 24331174

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 67211, 134422, 336055, 672110, 2890073, 5780146, 14450365, 28900730]

約数ペア:

[(1, 28900730), (2, 14450365), (5, 5780146), (10, 2890073), (43, 672110), (86, 336055), (215, 134422), (430, 67211)]