12804239

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 15649920

約数和(自身を除く): 2845681

約数列:

[1, 7, 43, 49, 59, 103, 301, 413, 721, 2107, 2537, 2891, 4429, 5047, 6077, 17759, 31003, 42539, 124313, 217021, 261311, 297773, 1829177, 12804239]

約数ペア:

[(1, 12804239), (7, 1829177), (43, 297773), (49, 261311), (59, 217021), (103, 124313), (301, 42539), (413, 31003), (721, 17759), (2107, 6077), (2537, 5047), (2891, 4429)]