28081116

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{15919}}^1$

素因数の和:15943

約数の個数: 54

約数和(自身を含む): 82577040

約数和(自身を除く): 54495924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 15919, 31838, 47757, 63676, 95514, 111433, 143271, 191028, 222866, 286542, 334299, 445732, 573084, 668598, 780031, 1002897, 1337196, 1560062, 2005794, 2340093, 3120124, 4011588, 4680186, 7020279, 9360372, 14040558, 28081116]

約数ペア:

[(1, 28081116), (2, 14040558), (3, 9360372), (4, 7020279), (6, 4680186), (7, 4011588), (9, 3120124), (12, 2340093), (14, 2005794), (18, 1560062), (21, 1337196), (28, 1002897), (36, 780031), (42, 668598), (49, 573084), (63, 445732), (84, 334299), (98, 286542), (126, 222866), (147, 191028), (196, 143271), (252, 111433), (294, 95514), (441, 63676), (588, 47757), (882, 31838), (1764, 15919)]