2489837

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 20

約数和(自身を含む): 3125916

約数和(自身を除く): 636079

約数列:

[1, 7, 17, 49, 61, 119, 343, 427, 833, 1037, 2401, 2989, 5831, 7259, 20923, 40817, 50813, 146461, 355691, 2489837]

約数ペア:

[(1, 2489837), (7, 355691), (17, 146461), (49, 50813), (61, 40817), (119, 20923), (343, 7259), (427, 5831), (833, 2989), (1037, 2401)]