81007948

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{78193}}^1$

素因数の和:78241

約数の個数: 24

約数和(自身を含む): 166396832

約数和(自身を除く): 85388884

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 78193, 156386, 312772, 547351, 1094702, 2189404, 2893141, 5786282, 11572564, 20251987, 40503974, 81007948]

約数ペア:

[(1, 81007948), (2, 40503974), (4, 20251987), (7, 11572564), (14, 5786282), (28, 2893141), (37, 2189404), (74, 1094702), (148, 547351), (259, 312772), (518, 156386), (1036, 78193)]