28728504

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 96033600

約数和(自身を除く): 67305096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 49, 51, 56, 63, 68, 72, 84, 98, 102, 119, 126, 136, 147, 153, 168, 196, 204, 238, 252, 294, 306, 357, 392, 408, 441, 476, 479, 504, 588, 612, 714, 833, 882, 952, 958, 1071, 1176, 1224, 1428, 1437, 1666, 1764, 1916, 2142, 2499, 2856, 2874, 3332, 3353, 3528, 3832, 4284, 4311, 4998, 5748, 6664, 6706, 7497, 8143, 8568, 8622, 9996, 10059, 11496, 13412, 14994, 16286, 17244, 19992, 20118, 23471, 24429, 26824, 29988, 30177, 32572, 34488, 40236, 46942, 48858, 57001, 59976, 60354, 65144, 70413, 73287, 80472, 93884, 97716, 114002, 120708, 140826, 146574, 171003, 187768, 195432, 211239, 228004, 241416, 281652, 293148, 342006, 399007, 422478, 456008, 513009, 563304, 586296, 684012, 798014, 844956, 1026018, 1197021, 1368024, 1596028, 1689912, 2052036, 2394042, 3192056, 3591063, 4104072, 4788084, 7182126, 9576168, 14364252, 28728504]

約数ペア:

[(1, 28728504), (2, 14364252), (3, 9576168), (4, 7182126), (6, 4788084), (7, 4104072), (8, 3591063), (9, 3192056), (12, 2394042), (14, 2052036), (17, 1689912), (18, 1596028), (21, 1368024), (24, 1197021), (28, 1026018), (34, 844956), (36, 798014), (42, 684012), (49, 586296), (51, 563304), (56, 513009), (63, 456008), (68, 422478), (72, 399007), (84, 342006), (98, 293148), (102, 281652), (119, 241416), (126, 228004), (136, 211239), (147, 195432), (153, 187768), (168, 171003), (196, 146574), (204, 140826), (238, 120708), (252, 114002), (294, 97716), (306, 93884), (357, 80472), (392, 73287), (408, 70413), (441, 65144), (476, 60354), (479, 59976), (504, 57001), (588, 48858), (612, 46942), (714, 40236), (833, 34488), (882, 32572), (952, 30177), (958, 29988), (1071, 26824), (1176, 24429), (1224, 23471), (1428, 20118), (1437, 19992), (1666, 17244), (1764, 16286), (1916, 14994), (2142, 13412), (2499, 11496), (2856, 10059), (2874, 9996), (3332, 8622), (3353, 8568), (3528, 8143), (3832, 7497), (4284, 6706), (4311, 6664), (4998, 5748)]