28620284

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 63926016

約数和(自身を除く): 35305732

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 2161, 3311, 4322, 6622, 8644, 13244, 15127, 23771, 30254, 47542, 60508, 92923, 95084, 166397, 185846, 332794, 371692, 650461, 665588, 1022153, 1300922, 2044306, 2601844, 4088612, 7155071, 14310142, 28620284]

約数ペア:

[(1, 28620284), (2, 14310142), (4, 7155071), (7, 4088612), (11, 2601844), (14, 2044306), (22, 1300922), (28, 1022153), (43, 665588), (44, 650461), (77, 371692), (86, 332794), (154, 185846), (172, 166397), (301, 95084), (308, 92923), (473, 60508), (602, 47542), (946, 30254), (1204, 23771), (1892, 15127), (2161, 13244), (3311, 8644), (4322, 6622)]