25209249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 13981791

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 611, 663, 799, 809, 1833, 2397, 2427, 10387, 10517, 13753, 31161, 31551, 38023, 41259, 114069, 178789, 494299, 536367, 646391, 1482897, 1939173, 8403083, 25209249]

約数ペア:

[(1, 25209249), (3, 8403083), (13, 1939173), (17, 1482897), (39, 646391), (47, 536367), (51, 494299), (141, 178789), (221, 114069), (611, 41259), (663, 38023), (799, 31551), (809, 31161), (1833, 13753), (2397, 10517), (2427, 10387)]