8831641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 11610368

約数和(自身を除く): 2778727

約数列:

[1, 7, 13, 37, 43, 61, 91, 259, 301, 427, 481, 559, 793, 1591, 2257, 2623, 3367, 3913, 5551, 11137, 15799, 18361, 20683, 29341, 34099, 97051, 144781, 205387, 238693, 679357, 1261663, 8831641]

約数ペア:

[(1, 8831641), (7, 1261663), (13, 679357), (37, 238693), (43, 205387), (61, 144781), (91, 97051), (259, 34099), (301, 29341), (427, 20683), (481, 18361), (559, 15799), (793, 11137), (1591, 5551), (2257, 3913), (2623, 3367)]