81244968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1721}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 233089920

約数和(自身を除く): 151844952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 562, 843, 1124, 1686, 1721, 1967, 2248, 3372, 3442, 3934, 5163, 5901, 6744, 6884, 7868, 10326, 11802, 12047, 13768, 15736, 20652, 23604, 24094, 36141, 41304, 47208, 48188, 72282, 96376, 144564, 289128, 483601, 967202, 1450803, 1934404, 2901606, 3385207, 3868808, 5803212, 6770414, 10155621, 11606424, 13540828, 20311242, 27081656, 40622484, 81244968]

約数ペア:

[(1, 81244968), (2, 40622484), (3, 27081656), (4, 20311242), (6, 13540828), (7, 11606424), (8, 10155621), (12, 6770414), (14, 5803212), (21, 3868808), (24, 3385207), (28, 2901606), (42, 1934404), (56, 1450803), (84, 967202), (168, 483601), (281, 289128), (562, 144564), (843, 96376), (1124, 72282), (1686, 48188), (1721, 47208), (1967, 41304), (2248, 36141), (3372, 24094), (3442, 23604), (3934, 20652), (5163, 15736), (5901, 13768), (6744, 12047), (6884, 11802), (7868, 10326)]