28218762

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 75741120

約数和(自身を除く): 47522358

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 33, 38, 39, 57, 66, 78, 99, 114, 117, 143, 171, 198, 209, 234, 247, 286, 342, 418, 429, 494, 577, 627, 741, 858, 1154, 1254, 1287, 1482, 1731, 1881, 2223, 2574, 2717, 3462, 3762, 4446, 5193, 5434, 6347, 7501, 8151, 10386, 10963, 12694, 15002, 16302, 19041, 21926, 22503, 24453, 32889, 38082, 45006, 48906, 57123, 65778, 67509, 82511, 98667, 114246, 120593, 135018, 142519, 165022, 197334, 241186, 247533, 285038, 361779, 427557, 495066, 723558, 742599, 855114, 1085337, 1282671, 1485198, 1567709, 2170674, 2565342, 3135418, 4703127, 9406254, 14109381, 28218762]

約数ペア:

[(1, 28218762), (2, 14109381), (3, 9406254), (6, 4703127), (9, 3135418), (11, 2565342), (13, 2170674), (18, 1567709), (19, 1485198), (22, 1282671), (26, 1085337), (33, 855114), (38, 742599), (39, 723558), (57, 495066), (66, 427557), (78, 361779), (99, 285038), (114, 247533), (117, 241186), (143, 197334), (171, 165022), (198, 142519), (209, 135018), (234, 120593), (247, 114246), (286, 98667), (342, 82511), (418, 67509), (429, 65778), (494, 57123), (577, 48906), (627, 45006), (741, 38082), (858, 32889), (1154, 24453), (1254, 22503), (1287, 21926), (1482, 19041), (1731, 16302), (1881, 15002), (2223, 12694), (2574, 10963), (2717, 10386), (3462, 8151), (3762, 7501), (4446, 6347), (5193, 5434)]