139408388

素因数分解:

$2^2\times 7^1\times {\mathrm{4978871}}^1$

素因数の和:4978882

約数の個数: 12

約数和(自身を含む): 278816832

約数和(自身を除く): 139408444

約数列:

[1, 2, 4, 7, 14, 28, 4978871, 9957742, 19915484, 34852097, 69704194, 139408388]

約数ペア:

[(1, 139408388), (2, 69704194), (4, 34852097), (7, 19915484), (14, 9957742), (28, 4978871)]