2643095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 4034688

約数和(自身を除く): 1391593

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 157, 185, 259, 455, 481, 785, 1099, 1295, 2041, 2405, 3367, 5495, 5809, 10205, 14287, 16835, 29045, 40663, 71435, 75517, 203315, 377585, 528619, 2643095]

約数ペア:

[(1, 2643095), (5, 528619), (7, 377585), (13, 203315), (35, 75517), (37, 71435), (65, 40663), (91, 29045), (157, 16835), (185, 14287), (259, 10205), (455, 5809), (481, 5495), (785, 3367), (1099, 2405), (1295, 2041)]