639279872

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 216

約数和(自身を含む): 1673520912

約数和(自身を除く): 1034241040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 49, 56, 64, 77, 82, 88, 98, 112, 113, 128, 154, 164, 176, 196, 224, 226, 256, 287, 308, 328, 352, 392, 448, 451, 452, 539, 574, 616, 656, 704, 784, 791, 896, 902, 904, 1078, 1148, 1232, 1243, 1312, 1408, 1568, 1582, 1792, 1804, 1808, 2009, 2156, 2296, 2464, 2486, 2624, 2816, 3136, 3157, 3164, 3608, 3616, 4018, 4312, 4592, 4633, 4928, 4972, 5248, 5537, 6272, 6314, 6328, 7216, 7232, 8036, 8624, 8701, 9184, 9266, 9856, 9944, 10496, 11074, 12544, 12628, 12656, 14432, 14464, 16072, 17248, 17402, 18368, 18532, 19712, 19888, 22099, 22148, 25256, 25312, 28864, 28928, 32144, 32431, 34496, 34804, 36736, 37064, 39776, 44198, 44296, 50512, 50624, 50963, 57728, 60907, 64288, 64862, 68992, 69608, 73472, 74128, 79552, 88396, 88592, 101024, 101248, 101926, 115456, 121814, 128576, 129724, 137984, 139216, 148256, 159104, 176792, 177184, 202048, 202496, 203852, 227017, 243628, 257152, 259448, 278432, 296512, 318208, 353584, 354368, 356741, 404096, 407704, 454034, 487256, 514304, 518896, 556864, 593024, 707168, 708736, 713482, 808192, 815408, 908068, 974512, 1037792, 1113728, 1186048, 1414336, 1417472, 1426964, 1630816, 1816136, 1949024, 2075584, 2227456, 2497187, 2828672, 2853928, 3261632, 3632272, 3898048, 4151168, 4994374, 5657344, 5707856, 6523264, 7264544, 7796096, 8302336, 9988748, 11415712, 13046528, 14529088, 15592192, 19977496, 22831424, 29058176, 39954992, 45662848, 58116352, 79909984, 91325696, 159819968, 319639936, 639279872]

約数ペア:

[(1, 639279872), (2, 319639936), (4, 159819968), (7, 91325696), (8, 79909984), (11, 58116352), (14, 45662848), (16, 39954992), (22, 29058176), (28, 22831424), (32, 19977496), (41, 15592192), (44, 14529088), (49, 13046528), (56, 11415712), (64, 9988748), (77, 8302336), (82, 7796096), (88, 7264544), (98, 6523264), (112, 5707856), (113, 5657344), (128, 4994374), (154, 4151168), (164, 3898048), (176, 3632272), (196, 3261632), (224, 2853928), (226, 2828672), (256, 2497187), (287, 2227456), (308, 2075584), (328, 1949024), (352, 1816136), (392, 1630816), (448, 1426964), (451, 1417472), (452, 1414336), (539, 1186048), (574, 1113728), (616, 1037792), (656, 974512), (704, 908068), (784, 815408), (791, 808192), (896, 713482), (902, 708736), (904, 707168), (1078, 593024), (1148, 556864), (1232, 518896), (1243, 514304), (1312, 487256), (1408, 454034), (1568, 407704), (1582, 404096), (1792, 356741), (1804, 354368), (1808, 353584), (2009, 318208), (2156, 296512), (2296, 278432), (2464, 259448), (2486, 257152), (2624, 243628), (2816, 227017), (3136, 203852), (3157, 202496), (3164, 202048), (3608, 177184), (3616, 176792), (4018, 159104), (4312, 148256), (4592, 139216), (4633, 137984), (4928, 129724), (4972, 128576), (5248, 121814), (5537, 115456), (6272, 101926), (6314, 101248), (6328, 101024), (7216, 88592), (7232, 88396), (8036, 79552), (8624, 74128), (8701, 73472), (9184, 69608), (9266, 68992), (9856, 64862), (9944, 64288), (10496, 60907), (11074, 57728), (12544, 50963), (12628, 50624), (12656, 50512), (14432, 44296), (14464, 44198), (16072, 39776), (17248, 37064), (17402, 36736), (18368, 34804), (18532, 34496), (19712, 32431), (19888, 32144), (22099, 28928), (22148, 28864), (25256, 25312)]