251483904

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:563

約数の個数: 216

約数和(自身を含む): 857106432

約数和(自身を除く): 605622528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 503, 504, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1006, 1008, 1116, 1152, 1302, 1344, 1488, 1509, 1736, 1792, 1953, 1984, 2012, 2016, 2232, 2304, 2604, 2688, 2976, 3018, 3472, 3521, 3906, 3968, 4024, 4032, 4464, 4527, 5208, 5376, 5952, 6036, 6944, 7042, 7812, 7936, 8048, 8064, 8928, 9054, 10416, 10563, 11904, 12072, 13888, 14084, 15593, 15624, 16096, 16128, 17856, 18108, 20832, 21126, 23808, 24144, 27776, 28168, 31186, 31248, 31689, 32192, 35712, 36216, 41664, 42252, 46779, 48288, 55552, 56336, 62372, 62496, 63378, 64384, 71424, 72432, 83328, 84504, 93558, 96576, 109151, 112672, 124744, 124992, 126756, 128768, 140337, 144864, 166656, 169008, 187116, 193152, 218302, 225344, 249488, 249984, 253512, 280674, 289728, 327453, 338016, 374232, 386304, 436604, 450688, 498976, 499968, 507024, 561348, 579456, 654906, 676032, 748464, 873208, 901376, 982359, 997952, 1014048, 1122696, 1158912, 1309812, 1352064, 1496928, 1746416, 1964718, 1995904, 2028096, 2245392, 2619624, 2704128, 2993856, 3492832, 3929436, 3991808, 4056192, 4490784, 5239248, 5987712, 6985664, 7858872, 8112384, 8981568, 10478496, 11975424, 13971328, 15717744, 17963136, 20956992, 27942656, 31435488, 35926272, 41913984, 62870976, 83827968, 125741952, 251483904]

約数ペア:

[(1, 251483904), (2, 125741952), (3, 83827968), (4, 62870976), (6, 41913984), (7, 35926272), (8, 31435488), (9, 27942656), (12, 20956992), (14, 17963136), (16, 15717744), (18, 13971328), (21, 11975424), (24, 10478496), (28, 8981568), (31, 8112384), (32, 7858872), (36, 6985664), (42, 5987712), (48, 5239248), (56, 4490784), (62, 4056192), (63, 3991808), (64, 3929436), (72, 3492832), (84, 2993856), (93, 2704128), (96, 2619624), (112, 2245392), (124, 2028096), (126, 1995904), (128, 1964718), (144, 1746416), (168, 1496928), (186, 1352064), (192, 1309812), (217, 1158912), (224, 1122696), (248, 1014048), (252, 997952), (256, 982359), (279, 901376), (288, 873208), (336, 748464), (372, 676032), (384, 654906), (434, 579456), (448, 561348), (496, 507024), (503, 499968), (504, 498976), (558, 450688), (576, 436604), (651, 386304), (672, 374232), (744, 338016), (768, 327453), (868, 289728), (896, 280674), (992, 253512), (1006, 249984), (1008, 249488), (1116, 225344), (1152, 218302), (1302, 193152), (1344, 187116), (1488, 169008), (1509, 166656), (1736, 144864), (1792, 140337), (1953, 128768), (1984, 126756), (2012, 124992), (2016, 124744), (2232, 112672), (2304, 109151), (2604, 96576), (2688, 93558), (2976, 84504), (3018, 83328), (3472, 72432), (3521, 71424), (3906, 64384), (3968, 63378), (4024, 62496), (4032, 62372), (4464, 56336), (4527, 55552), (5208, 48288), (5376, 46779), (5952, 42252), (6036, 41664), (6944, 36216), (7042, 35712), (7812, 32192), (7936, 31689), (8048, 31248), (8064, 31186), (8928, 28168), (9054, 27776), (10416, 24144), (10563, 23808), (11904, 21126), (12072, 20832), (13888, 18108), (14084, 17856), (15593, 16128), (15624, 16096)]