257205312

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:746

約数の個数: 252

約数和(自身を含む): 924883596

約数和(自身を除く): 667678284

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 64, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 192, 196, 208, 224, 234, 252, 273, 288, 294, 312, 336, 364, 392, 416, 441, 448, 468, 504, 546, 576, 588, 624, 637, 672, 701, 728, 784, 819, 832, 882, 936, 1008, 1092, 1176, 1248, 1274, 1344, 1402, 1456, 1568, 1638, 1764, 1872, 1911, 2016, 2103, 2184, 2352, 2496, 2548, 2804, 2912, 3136, 3276, 3528, 3744, 3822, 4032, 4206, 4368, 4704, 4907, 5096, 5608, 5733, 5824, 6309, 6552, 7056, 7488, 7644, 8412, 8736, 9113, 9408, 9814, 10192, 11216, 11466, 12618, 13104, 14112, 14721, 15288, 16824, 17472, 18226, 19628, 20384, 22432, 22932, 25236, 26208, 27339, 28224, 29442, 30576, 33648, 34349, 36452, 39256, 40768, 44163, 44864, 45864, 50472, 52416, 54678, 58884, 61152, 63791, 67296, 68698, 72904, 78512, 82017, 88326, 91728, 100944, 103047, 109356, 117768, 122304, 127582, 134592, 137396, 145808, 157024, 164034, 176652, 183456, 191373, 201888, 206094, 218712, 235536, 255164, 274792, 291616, 309141, 314048, 328068, 353304, 366912, 382746, 403776, 412188, 437424, 446537, 471072, 510328, 549584, 574119, 583232, 618282, 656136, 706608, 765492, 824376, 874848, 893074, 942144, 1020656, 1099168, 1148238, 1236564, 1312272, 1339611, 1413216, 1530984, 1648752, 1749696, 1786148, 2041312, 2198336, 2296476, 2473128, 2624544, 2679222, 2826432, 3061968, 3297504, 3572296, 4018833, 4082624, 4592952, 4946256, 5249088, 5358444, 6123936, 6595008, 7144592, 8037666, 9185904, 9892512, 10716888, 12247872, 14289184, 16075332, 18371808, 19785024, 21433776, 28578368, 32150664, 36743616, 42867552, 64301328, 85735104, 128602656, 257205312]

約数ペア:

[(1, 257205312), (2, 128602656), (3, 85735104), (4, 64301328), (6, 42867552), (7, 36743616), (8, 32150664), (9, 28578368), (12, 21433776), (13, 19785024), (14, 18371808), (16, 16075332), (18, 14289184), (21, 12247872), (24, 10716888), (26, 9892512), (28, 9185904), (32, 8037666), (36, 7144592), (39, 6595008), (42, 6123936), (48, 5358444), (49, 5249088), (52, 4946256), (56, 4592952), (63, 4082624), (64, 4018833), (72, 3572296), (78, 3297504), (84, 3061968), (91, 2826432), (96, 2679222), (98, 2624544), (104, 2473128), (112, 2296476), (117, 2198336), (126, 2041312), (144, 1786148), (147, 1749696), (156, 1648752), (168, 1530984), (182, 1413216), (192, 1339611), (196, 1312272), (208, 1236564), (224, 1148238), (234, 1099168), (252, 1020656), (273, 942144), (288, 893074), (294, 874848), (312, 824376), (336, 765492), (364, 706608), (392, 656136), (416, 618282), (441, 583232), (448, 574119), (468, 549584), (504, 510328), (546, 471072), (576, 446537), (588, 437424), (624, 412188), (637, 403776), (672, 382746), (701, 366912), (728, 353304), (784, 328068), (819, 314048), (832, 309141), (882, 291616), (936, 274792), (1008, 255164), (1092, 235536), (1176, 218712), (1248, 206094), (1274, 201888), (1344, 191373), (1402, 183456), (1456, 176652), (1568, 164034), (1638, 157024), (1764, 145808), (1872, 137396), (1911, 134592), (2016, 127582), (2103, 122304), (2184, 117768), (2352, 109356), (2496, 103047), (2548, 100944), (2804, 91728), (2912, 88326), (3136, 82017), (3276, 78512), (3528, 72904), (3744, 68698), (3822, 67296), (4032, 63791), (4206, 61152), (4368, 58884), (4704, 54678), (4907, 52416), (5096, 50472), (5608, 45864), (5733, 44864), (5824, 44163), (6309, 40768), (6552, 39256), (7056, 36452), (7488, 34349), (7644, 33648), (8412, 30576), (8736, 29442), (9113, 28224), (9408, 27339), (9814, 26208), (10192, 25236), (11216, 22932), (11466, 22432), (12618, 20384), (13104, 19628), (14112, 18226), (14721, 17472), (15288, 16824)]