638403584

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 264

約数和(自身を含む): 1726161408

約数和(自身を除く): 1087757824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 52, 56, 62, 64, 68, 91, 104, 112, 119, 124, 128, 136, 169, 182, 208, 217, 221, 224, 238, 248, 256, 272, 338, 364, 403, 416, 434, 442, 448, 476, 496, 512, 527, 544, 676, 728, 806, 832, 868, 884, 896, 952, 992, 1024, 1054, 1088, 1183, 1352, 1456, 1547, 1612, 1664, 1736, 1768, 1792, 1904, 1984, 2108, 2176, 2366, 2704, 2821, 2873, 2912, 3094, 3224, 3328, 3472, 3536, 3584, 3689, 3808, 3968, 4216, 4352, 4732, 5239, 5408, 5642, 5746, 5824, 6188, 6448, 6656, 6851, 6944, 7072, 7168, 7378, 7616, 7936, 8432, 8704, 9464, 10478, 10816, 11284, 11492, 11648, 12376, 12896, 13312, 13702, 13888, 14144, 14756, 15232, 15872, 16864, 17408, 18928, 20111, 20956, 21632, 22568, 22984, 23296, 24752, 25792, 27404, 27776, 28288, 29512, 30464, 31744, 33728, 36673, 37856, 40222, 41912, 43264, 45136, 45968, 46592, 47957, 49504, 51584, 54808, 55552, 56576, 59024, 60928, 67456, 73346, 75712, 80444, 83824, 86528, 89063, 90272, 91936, 93184, 95914, 99008, 103168, 109616, 111104, 113152, 118048, 121856, 134912, 146692, 151424, 160888, 167648, 173056, 178126, 180544, 183872, 191828, 198016, 206336, 219232, 222208, 226304, 236096, 269824, 293384, 302848, 321776, 335296, 356252, 361088, 367744, 383656, 396032, 412672, 438464, 472192, 539648, 586768, 605696, 623441, 643552, 670592, 712504, 722176, 735488, 767312, 792064, 876928, 944384, 1173536, 1211392, 1246882, 1287104, 1341184, 1425008, 1444352, 1470976, 1534624, 1584128, 1753856, 1888768, 2347072, 2493764, 2574208, 2682368, 2850016, 2888704, 2941952, 3069248, 3507712, 3777536, 4694144, 4987528, 5148416, 5364736, 5700032, 6138496, 7015424, 9388288, 9975056, 10296832, 11400064, 12276992, 18776576, 19950112, 20593664, 22800128, 24553984, 37553152, 39900224, 45600256, 49107968, 79800448, 91200512, 159600896, 319201792, 638403584]

約数ペア:

[(1, 638403584), (2, 319201792), (4, 159600896), (7, 91200512), (8, 79800448), (13, 49107968), (14, 45600256), (16, 39900224), (17, 37553152), (26, 24553984), (28, 22800128), (31, 20593664), (32, 19950112), (34, 18776576), (52, 12276992), (56, 11400064), (62, 10296832), (64, 9975056), (68, 9388288), (91, 7015424), (104, 6138496), (112, 5700032), (119, 5364736), (124, 5148416), (128, 4987528), (136, 4694144), (169, 3777536), (182, 3507712), (208, 3069248), (217, 2941952), (221, 2888704), (224, 2850016), (238, 2682368), (248, 2574208), (256, 2493764), (272, 2347072), (338, 1888768), (364, 1753856), (403, 1584128), (416, 1534624), (434, 1470976), (442, 1444352), (448, 1425008), (476, 1341184), (496, 1287104), (512, 1246882), (527, 1211392), (544, 1173536), (676, 944384), (728, 876928), (806, 792064), (832, 767312), (868, 735488), (884, 722176), (896, 712504), (952, 670592), (992, 643552), (1024, 623441), (1054, 605696), (1088, 586768), (1183, 539648), (1352, 472192), (1456, 438464), (1547, 412672), (1612, 396032), (1664, 383656), (1736, 367744), (1768, 361088), (1792, 356252), (1904, 335296), (1984, 321776), (2108, 302848), (2176, 293384), (2366, 269824), (2704, 236096), (2821, 226304), (2873, 222208), (2912, 219232), (3094, 206336), (3224, 198016), (3328, 191828), (3472, 183872), (3536, 180544), (3584, 178126), (3689, 173056), (3808, 167648), (3968, 160888), (4216, 151424), (4352, 146692), (4732, 134912), (5239, 121856), (5408, 118048), (5642, 113152), (5746, 111104), (5824, 109616), (6188, 103168), (6448, 99008), (6656, 95914), (6851, 93184), (6944, 91936), (7072, 90272), (7168, 89063), (7378, 86528), (7616, 83824), (7936, 80444), (8432, 75712), (8704, 73346), (9464, 67456), (10478, 60928), (10816, 59024), (11284, 56576), (11492, 55552), (11648, 54808), (12376, 51584), (12896, 49504), (13312, 47957), (13702, 46592), (13888, 45968), (14144, 45136), (14756, 43264), (15232, 41912), (15872, 40222), (16864, 37856), (17408, 36673), (18928, 33728), (20111, 31744), (20956, 30464), (21632, 29512), (22568, 28288), (22984, 27776), (23296, 27404), (24752, 25792)]