28968156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 84389760

約数和(自身を除く): 55421604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 827, 834, 973, 1251, 1654, 1668, 1946, 2481, 2502, 2919, 3308, 3892, 4962, 5004, 5789, 5838, 7443, 8757, 9924, 11578, 11676, 14886, 17367, 17514, 23156, 29772, 34734, 35028, 52101, 69468, 104202, 114953, 208404, 229906, 344859, 459812, 689718, 804671, 1034577, 1379436, 1609342, 2069154, 2414013, 3218684, 4138308, 4828026, 7242039, 9656052, 14484078, 28968156]

約数ペア:

[(1, 28968156), (2, 14484078), (3, 9656052), (4, 7242039), (6, 4828026), (7, 4138308), (9, 3218684), (12, 2414013), (14, 2069154), (18, 1609342), (21, 1379436), (28, 1034577), (36, 804671), (42, 689718), (63, 459812), (84, 344859), (126, 229906), (139, 208404), (252, 114953), (278, 104202), (417, 69468), (556, 52101), (827, 35028), (834, 34734), (973, 29772), (1251, 23156), (1654, 17514), (1668, 17367), (1946, 14886), (2481, 11676), (2502, 11578), (2919, 9924), (3308, 8757), (3892, 7443), (4962, 5838), (5004, 5789)]