12690461

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 15950880

約数和(自身を除く): 3260419

約数列:

[1, 7, 19, 43, 49, 133, 301, 317, 817, 931, 2107, 2219, 5719, 6023, 13631, 15533, 40033, 42161, 95417, 258989, 295127, 667919, 1812923, 12690461]

約数ペア:

[(1, 12690461), (7, 1812923), (19, 667919), (43, 295127), (49, 258989), (133, 95417), (301, 42161), (317, 40033), (817, 15533), (931, 13631), (2107, 6023), (2219, 5719)]