78920756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1571}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 145692960

約数和(自身を除く): 66772204

約数列:

[1, 2, 4, 19, 38, 76, 661, 1322, 1571, 2644, 3142, 6284, 12559, 25118, 29849, 50236, 59698, 119396, 1038431, 2076862, 4153724, 19730189, 39460378, 78920756]

約数ペア:

[(1, 78920756), (2, 39460378), (4, 19730189), (19, 4153724), (38, 2076862), (76, 1038431), (661, 119396), (1322, 59698), (1571, 50236), (2644, 29849), (3142, 25118), (6284, 12559)]