81882444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1871}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 218889216

約数和(自身を除く): 137006772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 521, 1042, 1563, 1871, 2084, 3126, 3647, 3742, 5613, 6252, 7294, 7484, 10941, 11226, 13097, 14588, 21882, 22452, 26194, 39291, 43764, 52388, 78582, 157164, 974791, 1949582, 2924373, 3899164, 5848746, 6823537, 11697492, 13647074, 20470611, 27294148, 40941222, 81882444]

約数ペア:

[(1, 81882444), (2, 40941222), (3, 27294148), (4, 20470611), (6, 13647074), (7, 11697492), (12, 6823537), (14, 5848746), (21, 3899164), (28, 2924373), (42, 1949582), (84, 974791), (521, 157164), (1042, 78582), (1563, 52388), (1871, 43764), (2084, 39291), (3126, 26194), (3647, 22452), (3742, 21882), (5613, 14588), (6252, 13097), (7294, 11226), (7484, 10941)]