128934001

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{20443}}^1$

素因数の和:20520

約数の個数: 16

約数和(自身を含む): 158972544

約数和(自身を除く): 30038543

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 20443, 143101, 347531, 1083479, 2432717, 7584353, 18419143, 128934001]

約数ペア:

[(1, 128934001), (7, 18419143), (17, 7584353), (53, 2432717), (119, 1083479), (371, 347531), (901, 143101), (6307, 20443)]