388366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 16

約数和(自身を含む): 645120

約数和(自身を除く): 256754

約数列:

[1, 2, 11, 22, 127, 139, 254, 278, 1397, 1529, 2794, 3058, 17653, 35306, 194183, 388366]

約数ペア:

[(1, 388366), (2, 194183), (11, 35306), (22, 17653), (127, 3058), (139, 2794), (254, 1529), (278, 1397)]