81338444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{7193}}^1$

素因数の和:7465

約数の個数: 24

約数和(自身を含む): 155908368

約数和(自身を除く): 74569924

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 7193, 11308, 14386, 28772, 79123, 158246, 316492, 1848601, 3697202, 7394404, 20334611, 40669222, 81338444]

約数ペア:

[(1, 81338444), (2, 40669222), (4, 20334611), (11, 7394404), (22, 3697202), (44, 1848601), (257, 316492), (514, 158246), (1028, 79123), (2827, 28772), (5654, 14386), (7193, 11308)]