27998208

素因数分解:

$2^{11}\times 3^2\times 7^2\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 216

約数和(自身を含む): 97100640

約数和(自身を除く): 69102432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 64, 72, 84, 93, 96, 98, 112, 124, 126, 128, 144, 147, 168, 186, 192, 196, 217, 224, 248, 252, 256, 279, 288, 294, 336, 372, 384, 392, 434, 441, 448, 496, 504, 512, 558, 576, 588, 651, 672, 744, 768, 784, 868, 882, 896, 992, 1008, 1024, 1116, 1152, 1176, 1302, 1344, 1488, 1519, 1536, 1568, 1736, 1764, 1792, 1953, 1984, 2016, 2048, 2232, 2304, 2352, 2604, 2688, 2976, 3038, 3072, 3136, 3472, 3528, 3584, 3906, 3968, 4032, 4464, 4557, 4608, 4704, 5208, 5376, 5952, 6076, 6144, 6272, 6944, 7056, 7168, 7812, 7936, 8064, 8928, 9114, 9216, 9408, 10416, 10752, 11904, 12152, 12544, 13671, 13888, 14112, 14336, 15624, 15872, 16128, 17856, 18228, 18432, 18816, 20832, 21504, 23808, 24304, 25088, 27342, 27776, 28224, 31248, 31744, 32256, 35712, 36456, 37632, 41664, 43008, 47616, 48608, 50176, 54684, 55552, 56448, 62496, 63488, 64512, 71424, 72912, 75264, 83328, 95232, 97216, 100352, 109368, 111104, 112896, 124992, 129024, 142848, 145824, 150528, 166656, 190464, 194432, 218736, 222208, 225792, 249984, 285696, 291648, 301056, 333312, 388864, 437472, 444416, 451584, 499968, 571392, 583296, 666624, 777728, 874944, 903168, 999936, 1166592, 1333248, 1555456, 1749888, 1999872, 2333184, 3110912, 3499776, 3999744, 4666368, 6999552, 9332736, 13999104, 27998208]

約数ペア:

[(1, 27998208), (2, 13999104), (3, 9332736), (4, 6999552), (6, 4666368), (7, 3999744), (8, 3499776), (9, 3110912), (12, 2333184), (14, 1999872), (16, 1749888), (18, 1555456), (21, 1333248), (24, 1166592), (28, 999936), (31, 903168), (32, 874944), (36, 777728), (42, 666624), (48, 583296), (49, 571392), (56, 499968), (62, 451584), (63, 444416), (64, 437472), (72, 388864), (84, 333312), (93, 301056), (96, 291648), (98, 285696), (112, 249984), (124, 225792), (126, 222208), (128, 218736), (144, 194432), (147, 190464), (168, 166656), (186, 150528), (192, 145824), (196, 142848), (217, 129024), (224, 124992), (248, 112896), (252, 111104), (256, 109368), (279, 100352), (288, 97216), (294, 95232), (336, 83328), (372, 75264), (384, 72912), (392, 71424), (434, 64512), (441, 63488), (448, 62496), (496, 56448), (504, 55552), (512, 54684), (558, 50176), (576, 48608), (588, 47616), (651, 43008), (672, 41664), (744, 37632), (768, 36456), (784, 35712), (868, 32256), (882, 31744), (896, 31248), (992, 28224), (1008, 27776), (1024, 27342), (1116, 25088), (1152, 24304), (1176, 23808), (1302, 21504), (1344, 20832), (1488, 18816), (1519, 18432), (1536, 18228), (1568, 17856), (1736, 16128), (1764, 15872), (1792, 15624), (1953, 14336), (1984, 14112), (2016, 13888), (2048, 13671), (2232, 12544), (2304, 12152), (2352, 11904), (2604, 10752), (2688, 10416), (2976, 9408), (3038, 9216), (3072, 9114), (3136, 8928), (3472, 8064), (3528, 7936), (3584, 7812), (3906, 7168), (3968, 7056), (4032, 6944), (4464, 6272), (4557, 6144), (4608, 6076), (4704, 5952), (5208, 5376)]