287709212

素因数分解:

$2^2\times 7^1\times {\mathrm{10275329}}^1$

素因数の和:10275340

約数の個数: 12

約数和(自身を含む): 575418480

約数和(自身を除く): 287709268

約数列:

[1, 2, 4, 7, 14, 28, 10275329, 20550658, 41101316, 71927303, 143854606, 287709212]

約数ペア:

[(1, 287709212), (2, 143854606), (4, 71927303), (7, 41101316), (14, 20550658), (28, 10275329)]