28216944

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 99517440

約数和(自身を除く): 71300496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 43, 48, 49, 54, 56, 62, 63, 72, 84, 86, 93, 98, 108, 112, 124, 126, 129, 144, 147, 168, 172, 186, 189, 196, 216, 217, 248, 252, 258, 279, 294, 301, 336, 344, 372, 378, 387, 392, 432, 434, 441, 496, 504, 516, 558, 588, 602, 651, 688, 744, 756, 774, 784, 837, 868, 882, 903, 1008, 1032, 1116, 1161, 1176, 1204, 1302, 1323, 1333, 1488, 1512, 1519, 1548, 1674, 1736, 1764, 1806, 1953, 2064, 2107, 2232, 2322, 2352, 2408, 2604, 2646, 2666, 2709, 3024, 3038, 3096, 3348, 3472, 3528, 3612, 3906, 3999, 4214, 4464, 4557, 4644, 4816, 5208, 5292, 5332, 5418, 5859, 6076, 6192, 6321, 6696, 7056, 7224, 7812, 7998, 8127, 8428, 9114, 9288, 9331, 10416, 10584, 10664, 10836, 11718, 11997, 12152, 12642, 13392, 13671, 14448, 15624, 15996, 16254, 16856, 18228, 18576, 18662, 18963, 21168, 21328, 21672, 23436, 23994, 24304, 25284, 27342, 27993, 31248, 31992, 32508, 33712, 35991, 36456, 37324, 37926, 41013, 43344, 46872, 47988, 50568, 54684, 55986, 56889, 63984, 65016, 65317, 71982, 72912, 74648, 75852, 82026, 83979, 93744, 95976, 101136, 109368, 111972, 113778, 130032, 130634, 143964, 149296, 151704, 164052, 167958, 191952, 195951, 218736, 223944, 227556, 251937, 261268, 287928, 303408, 328104, 335916, 391902, 447888, 455112, 503874, 522536, 575856, 587853, 656208, 671832, 783804, 910224, 1007748, 1045072, 1175706, 1343664, 1567608, 1763559, 2015496, 2351412, 3135216, 3527118, 4030992, 4702824, 7054236, 9405648, 14108472, 28216944]

約数ペア:

[(1, 28216944), (2, 14108472), (3, 9405648), (4, 7054236), (6, 4702824), (7, 4030992), (8, 3527118), (9, 3135216), (12, 2351412), (14, 2015496), (16, 1763559), (18, 1567608), (21, 1343664), (24, 1175706), (27, 1045072), (28, 1007748), (31, 910224), (36, 783804), (42, 671832), (43, 656208), (48, 587853), (49, 575856), (54, 522536), (56, 503874), (62, 455112), (63, 447888), (72, 391902), (84, 335916), (86, 328104), (93, 303408), (98, 287928), (108, 261268), (112, 251937), (124, 227556), (126, 223944), (129, 218736), (144, 195951), (147, 191952), (168, 167958), (172, 164052), (186, 151704), (189, 149296), (196, 143964), (216, 130634), (217, 130032), (248, 113778), (252, 111972), (258, 109368), (279, 101136), (294, 95976), (301, 93744), (336, 83979), (344, 82026), (372, 75852), (378, 74648), (387, 72912), (392, 71982), (432, 65317), (434, 65016), (441, 63984), (496, 56889), (504, 55986), (516, 54684), (558, 50568), (588, 47988), (602, 46872), (651, 43344), (688, 41013), (744, 37926), (756, 37324), (774, 36456), (784, 35991), (837, 33712), (868, 32508), (882, 31992), (903, 31248), (1008, 27993), (1032, 27342), (1116, 25284), (1161, 24304), (1176, 23994), (1204, 23436), (1302, 21672), (1323, 21328), (1333, 21168), (1488, 18963), (1512, 18662), (1519, 18576), (1548, 18228), (1674, 16856), (1736, 16254), (1764, 15996), (1806, 15624), (1953, 14448), (2064, 13671), (2107, 13392), (2232, 12642), (2322, 12152), (2352, 11997), (2408, 11718), (2604, 10836), (2646, 10664), (2666, 10584), (2709, 10416), (3024, 9331), (3038, 9288), (3096, 9114), (3348, 8428), (3472, 8127), (3528, 7998), (3612, 7812), (3906, 7224), (3999, 7056), (4214, 6696), (4464, 6321), (4557, 6192), (4644, 6076), (4816, 5859), (5208, 5418), (5292, 5332)]