28451436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 78086400

約数和(自身を除く): 49634964

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 156, 174, 228, 247, 331, 348, 377, 494, 551, 662, 741, 754, 988, 993, 1102, 1131, 1324, 1482, 1508, 1653, 1986, 2204, 2262, 2964, 3306, 3972, 4303, 4524, 6289, 6612, 7163, 8606, 9599, 12578, 12909, 14326, 17212, 18867, 19198, 21489, 25156, 25818, 28652, 28797, 37734, 38396, 42978, 51636, 57594, 75468, 81757, 85956, 115188, 124787, 163514, 182381, 245271, 249574, 327028, 364762, 374361, 490542, 499148, 547143, 729524, 748722, 981084, 1094286, 1497444, 2188572, 2370953, 4741906, 7112859, 9483812, 14225718, 28451436]

約数ペア:

[(1, 28451436), (2, 14225718), (3, 9483812), (4, 7112859), (6, 4741906), (12, 2370953), (13, 2188572), (19, 1497444), (26, 1094286), (29, 981084), (38, 748722), (39, 729524), (52, 547143), (57, 499148), (58, 490542), (76, 374361), (78, 364762), (87, 327028), (114, 249574), (116, 245271), (156, 182381), (174, 163514), (228, 124787), (247, 115188), (331, 85956), (348, 81757), (377, 75468), (494, 57594), (551, 51636), (662, 42978), (741, 38396), (754, 37734), (988, 28797), (993, 28652), (1102, 25818), (1131, 25156), (1324, 21489), (1482, 19198), (1508, 18867), (1653, 17212), (1986, 14326), (2204, 12909), (2262, 12578), (2964, 9599), (3306, 8606), (3972, 7163), (4303, 6612), (4524, 6289)]