25171447

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1423}}^1$

素因数の和:1475

約数の個数: 18

約数和(自身を含む): 30925008

約数和(自身を除く): 5753561

約数列:

[1, 7, 19, 49, 133, 361, 931, 1423, 2527, 9961, 17689, 27037, 69727, 189259, 513703, 1324813, 3595921, 25171447]

約数ペア:

[(1, 25171447), (7, 3595921), (19, 1324813), (49, 513703), (133, 189259), (361, 69727), (931, 27037), (1423, 17689), (2527, 9961)]