199456876

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1159633}}^1$

素因数の和:1159680

約数の個数: 12

約数和(自身を含む): 357167272

約数和(自身を除く): 157710396

約数列:

[1, 2, 4, 43, 86, 172, 1159633, 2319266, 4638532, 49864219, 99728438, 199456876]

約数ペア:

[(1, 199456876), (2, 99728438), (4, 49864219), (43, 4638532), (86, 2319266), (172, 1159633)]