398728568

素因数分解:

$2^3\times 7^1\times {\mathrm{7120153}}^1$

素因数の和:7120166

約数の個数: 16

約数和(自身を含む): 854418480

約数和(自身を除く): 455689912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7120153, 14240306, 28480612, 49841071, 56961224, 99682142, 199364284, 398728568]

約数ペア:

[(1, 398728568), (2, 199364284), (4, 99682142), (7, 56961224), (8, 49841071), (14, 28480612), (28, 14240306), (56, 7120153)]