128315768

素因数分解:

$2^3\times 7^1\times {\mathrm{2291353}}^1$

素因数の和:2291366

約数の個数: 16

約数和(自身を含む): 274962480

約数和(自身を除く): 146646712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2291353, 4582706, 9165412, 16039471, 18330824, 32078942, 64157884, 128315768]

約数ペア:

[(1, 128315768), (2, 64157884), (4, 32078942), (7, 18330824), (8, 16039471), (14, 9165412), (28, 4582706), (56, 2291353)]