28783321

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 4891943

約数列:

[1, 7, 83, 107, 463, 581, 749, 3241, 8881, 38429, 49541, 62167, 269003, 346787, 4111903, 28783321]

約数ペア:

[(1, 28783321), (7, 4111903), (83, 346787), (107, 269003), (463, 62167), (581, 49541), (749, 38429), (3241, 8881)]