82457543

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:652

約数の個数: 20

約数和(自身を含む): 97945368

約数和(自身を除く): 15487825

約数列:

[1, 7, 49, 61, 343, 427, 563, 2401, 2989, 3941, 20923, 27587, 34343, 146461, 193109, 240401, 1351763, 1682807, 11779649, 82457543]

約数ペア:

[(1, 82457543), (7, 11779649), (49, 1682807), (61, 1351763), (343, 240401), (427, 193109), (563, 146461), (2401, 34343), (2989, 27587), (3941, 20923)]