28807828

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9439}}^1$

素因数の和:9559

約数の個数: 24

約数和(自身を含む): 58150400

約数和(自身を除く): 29342572

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 9439, 18878, 37756, 66073, 132146, 264292, 1028851, 2057702, 4115404, 7201957, 14403914, 28807828]

約数ペア:

[(1, 28807828), (2, 14403914), (4, 7201957), (7, 4115404), (14, 2057702), (28, 1028851), (109, 264292), (218, 132146), (436, 66073), (763, 37756), (1526, 18878), (3052, 9439)]