12704993

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 15714048

約数和(自身を除く): 3009055

約数列:

[1, 7, 23, 47, 73, 161, 329, 511, 529, 1081, 1679, 3431, 3703, 7567, 11753, 24017, 24863, 38617, 78913, 174041, 270319, 552391, 1814999, 12704993]

約数ペア:

[(1, 12704993), (7, 1814999), (23, 552391), (47, 270319), (73, 174041), (161, 78913), (329, 38617), (511, 24863), (529, 24017), (1081, 11753), (1679, 7567), (3431, 3703)]