649257056

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:130

約数の個数: 216

約数和(自身を含む): 1663695936

約数和(自身を除く): 1014438880

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 37, 38, 49, 56, 62, 74, 76, 98, 112, 124, 133, 148, 152, 196, 217, 224, 248, 259, 266, 296, 304, 361, 392, 434, 496, 518, 532, 589, 592, 608, 703, 722, 784, 868, 931, 992, 1036, 1064, 1147, 1178, 1184, 1406, 1444, 1519, 1568, 1736, 1813, 1862, 2072, 2128, 2294, 2356, 2527, 2812, 2888, 3038, 3472, 3626, 3724, 4123, 4144, 4256, 4588, 4712, 4921, 5054, 5624, 5776, 6076, 6944, 7252, 7448, 8029, 8246, 8288, 9176, 9424, 9842, 10108, 11191, 11248, 11552, 12152, 13357, 14504, 14896, 16058, 16492, 17689, 18352, 18848, 19684, 20216, 21793, 22382, 22496, 24304, 26714, 28861, 29008, 29792, 32116, 32984, 34447, 35378, 36704, 39368, 40432, 43586, 44764, 48608, 53428, 56203, 57722, 58016, 64232, 65968, 68894, 70756, 78337, 78736, 80864, 87172, 89528, 93499, 106856, 112406, 115444, 128464, 131936, 137788, 141512, 152551, 156674, 157472, 174344, 179056, 186998, 213712, 224812, 230888, 256928, 275576, 283024, 305102, 313348, 348688, 358112, 373996, 414067, 427424, 449624, 461776, 548359, 551152, 566048, 610204, 626696, 654493, 697376, 747992, 828134, 899248, 923552, 1067857, 1096718, 1102304, 1220408, 1253392, 1308986, 1495984, 1656268, 1798496, 2135714, 2193436, 2440816, 2506784, 2617972, 2898469, 2991968, 3312536, 4271428, 4386872, 4881632, 5235944, 5796938, 6625072, 8542856, 8773744, 10471888, 11593876, 13250144, 17085712, 17547488, 20289283, 20943776, 23187752, 34171424, 40578566, 46375504, 81157132, 92751008, 162314264, 324628528, 649257056]

約数ペア:

[(1, 649257056), (2, 324628528), (4, 162314264), (7, 92751008), (8, 81157132), (14, 46375504), (16, 40578566), (19, 34171424), (28, 23187752), (31, 20943776), (32, 20289283), (37, 17547488), (38, 17085712), (49, 13250144), (56, 11593876), (62, 10471888), (74, 8773744), (76, 8542856), (98, 6625072), (112, 5796938), (124, 5235944), (133, 4881632), (148, 4386872), (152, 4271428), (196, 3312536), (217, 2991968), (224, 2898469), (248, 2617972), (259, 2506784), (266, 2440816), (296, 2193436), (304, 2135714), (361, 1798496), (392, 1656268), (434, 1495984), (496, 1308986), (518, 1253392), (532, 1220408), (589, 1102304), (592, 1096718), (608, 1067857), (703, 923552), (722, 899248), (784, 828134), (868, 747992), (931, 697376), (992, 654493), (1036, 626696), (1064, 610204), (1147, 566048), (1178, 551152), (1184, 548359), (1406, 461776), (1444, 449624), (1519, 427424), (1568, 414067), (1736, 373996), (1813, 358112), (1862, 348688), (2072, 313348), (2128, 305102), (2294, 283024), (2356, 275576), (2527, 256928), (2812, 230888), (2888, 224812), (3038, 213712), (3472, 186998), (3626, 179056), (3724, 174344), (4123, 157472), (4144, 156674), (4256, 152551), (4588, 141512), (4712, 137788), (4921, 131936), (5054, 128464), (5624, 115444), (5776, 112406), (6076, 106856), (6944, 93499), (7252, 89528), (7448, 87172), (8029, 80864), (8246, 78736), (8288, 78337), (9176, 70756), (9424, 68894), (9842, 65968), (10108, 64232), (11191, 58016), (11248, 57722), (11552, 56203), (12152, 53428), (13357, 48608), (14504, 44764), (14896, 43586), (16058, 40432), (16492, 39368), (17689, 36704), (18352, 35378), (18848, 34447), (19684, 32984), (20216, 32116), (21793, 29792), (22382, 29008), (22496, 28861), (24304, 26714)]