81217444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1579}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 178375680

約数和(自身を除く): 97158236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 167, 308, 334, 668, 1169, 1579, 1837, 2338, 3158, 3674, 4676, 6316, 7348, 11053, 12859, 17369, 22106, 25718, 34738, 44212, 51436, 69476, 121583, 243166, 263693, 486332, 527386, 1054772, 1845851, 2900623, 3691702, 5801246, 7383404, 11602492, 20304361, 40608722, 81217444]

約数ペア:

[(1, 81217444), (2, 40608722), (4, 20304361), (7, 11602492), (11, 7383404), (14, 5801246), (22, 3691702), (28, 2900623), (44, 1845851), (77, 1054772), (154, 527386), (167, 486332), (308, 263693), (334, 243166), (668, 121583), (1169, 69476), (1579, 51436), (1837, 44212), (2338, 34738), (3158, 25718), (3674, 22106), (4676, 17369), (6316, 12859), (7348, 11053)]