81878435

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{1301}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 101056032

約数和(自身を除く): 19177597

約数列:

[1, 5, 41, 205, 307, 1301, 1535, 6505, 12587, 53341, 62935, 266705, 399407, 1997035, 16375687, 81878435]

約数ペア:

[(1, 81878435), (5, 16375687), (41, 1997035), (205, 399407), (307, 266705), (1301, 62935), (1535, 53341), (6505, 12587)]