2898007

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 20

約数和(自身を含む): 3630096

約数和(自身を除く): 732089

約数列:

[1, 7, 17, 49, 71, 119, 343, 497, 833, 1207, 2401, 3479, 5831, 8449, 24353, 40817, 59143, 170471, 414001, 2898007]

約数ペア:

[(1, 2898007), (7, 414001), (17, 170471), (49, 59143), (71, 40817), (119, 24353), (343, 8449), (497, 5831), (833, 3479), (1207, 2401)]