12790256305

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{404819}}^1$

素因数の和:404984

約数の個数: 16

約数和(自身を含む): 15739401600

約数和(自身を除く): 2949145295

約数列:

[1, 5, 71, 89, 355, 445, 6319, 31595, 404819, 2024095, 28742149, 36028891, 143710745, 180144455, 2558051261, 12790256305]

約数ペア:

[(1, 12790256305), (5, 2558051261), (71, 180144455), (89, 143710745), (355, 36028891), (445, 28742149), (6319, 2024095), (31595, 404819)]