28141608

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 81861120

約数和(自身を除く): 53719512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 43, 44, 66, 67, 74, 86, 88, 111, 129, 132, 134, 148, 172, 201, 222, 258, 264, 268, 296, 344, 402, 407, 444, 473, 516, 536, 737, 804, 814, 888, 946, 1032, 1221, 1419, 1474, 1591, 1608, 1628, 1892, 2211, 2442, 2479, 2838, 2881, 2948, 3182, 3256, 3784, 4422, 4773, 4884, 4958, 5676, 5762, 5896, 6364, 7437, 8643, 8844, 9546, 9768, 9916, 11352, 11524, 12728, 14874, 17286, 17501, 17688, 19092, 19832, 23048, 27269, 29748, 31691, 34572, 35002, 38184, 52503, 54538, 59496, 63382, 69144, 70004, 81807, 95073, 105006, 106597, 109076, 126764, 140008, 163614, 190146, 210012, 213194, 218152, 253528, 319791, 327228, 380292, 420024, 426388, 639582, 654456, 760584, 852776, 1172567, 1279164, 2345134, 2558328, 3517701, 4690268, 7035402, 9380536, 14070804, 28141608]

約数ペア:

[(1, 28141608), (2, 14070804), (3, 9380536), (4, 7035402), (6, 4690268), (8, 3517701), (11, 2558328), (12, 2345134), (22, 1279164), (24, 1172567), (33, 852776), (37, 760584), (43, 654456), (44, 639582), (66, 426388), (67, 420024), (74, 380292), (86, 327228), (88, 319791), (111, 253528), (129, 218152), (132, 213194), (134, 210012), (148, 190146), (172, 163614), (201, 140008), (222, 126764), (258, 109076), (264, 106597), (268, 105006), (296, 95073), (344, 81807), (402, 70004), (407, 69144), (444, 63382), (473, 59496), (516, 54538), (536, 52503), (737, 38184), (804, 35002), (814, 34572), (888, 31691), (946, 29748), (1032, 27269), (1221, 23048), (1419, 19832), (1474, 19092), (1591, 17688), (1608, 17501), (1628, 17286), (1892, 14874), (2211, 12728), (2442, 11524), (2479, 11352), (2838, 9916), (2881, 9768), (2948, 9546), (3182, 8844), (3256, 8643), (3784, 7437), (4422, 6364), (4773, 5896), (4884, 5762), (4958, 5676)]