2478889

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 3086208

約数和(自身を除く): 607319

約数列:

[1, 7, 17, 37, 119, 259, 563, 629, 3941, 4403, 9571, 20831, 66997, 145817, 354127, 2478889]

約数ペア:

[(1, 2478889), (7, 354127), (17, 145817), (37, 66997), (119, 20831), (259, 9571), (563, 4403), (629, 3941)]