638673408

素因数分解:

$2^9\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:335

約数の個数: 240

約数和(自身を含む): 2022299136

約数和(自身を除く): 1383625728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 64, 68, 72, 93, 96, 102, 124, 128, 136, 144, 153, 186, 192, 204, 248, 256, 263, 272, 279, 288, 306, 372, 384, 408, 496, 512, 526, 527, 544, 558, 576, 612, 744, 768, 789, 816, 992, 1052, 1054, 1088, 1116, 1152, 1224, 1488, 1536, 1578, 1581, 1632, 1984, 2104, 2108, 2176, 2232, 2304, 2367, 2448, 2976, 3156, 3162, 3264, 3968, 4208, 4216, 4352, 4464, 4471, 4608, 4734, 4743, 4896, 5952, 6312, 6324, 6528, 7936, 8153, 8416, 8432, 8704, 8928, 8942, 9468, 9486, 9792, 11904, 12624, 12648, 13056, 13413, 15872, 16306, 16832, 16864, 17856, 17884, 18936, 18972, 19584, 23808, 24459, 25248, 25296, 26112, 26826, 32612, 33664, 33728, 35712, 35768, 37872, 37944, 39168, 40239, 47616, 48918, 50496, 50592, 53652, 65224, 67328, 67456, 71424, 71536, 73377, 75744, 75888, 78336, 80478, 97836, 100992, 101184, 107304, 130448, 134656, 134912, 138601, 142848, 143072, 146754, 151488, 151776, 160956, 195672, 201984, 202368, 214608, 260896, 269824, 277202, 286144, 293508, 302976, 303552, 321912, 391344, 403968, 404736, 415803, 429216, 521792, 554404, 572288, 587016, 605952, 607104, 643824, 782688, 809472, 831606, 858432, 1043584, 1108808, 1144576, 1174032, 1211904, 1214208, 1247409, 1287648, 1565376, 1663212, 1716864, 2087168, 2217616, 2289152, 2348064, 2428416, 2494818, 2575296, 3130752, 3326424, 3433728, 4174336, 4435232, 4696128, 4989636, 5150592, 6261504, 6652848, 6867456, 8870464, 9392256, 9979272, 10301184, 12523008, 13305696, 17740928, 18784512, 19958544, 20602368, 26611392, 35481856, 37569024, 39917088, 53222784, 70963712, 79834176, 106445568, 159668352, 212891136, 319336704, 638673408]

約数ペア:

[(1, 638673408), (2, 319336704), (3, 212891136), (4, 159668352), (6, 106445568), (8, 79834176), (9, 70963712), (12, 53222784), (16, 39917088), (17, 37569024), (18, 35481856), (24, 26611392), (31, 20602368), (32, 19958544), (34, 18784512), (36, 17740928), (48, 13305696), (51, 12523008), (62, 10301184), (64, 9979272), (68, 9392256), (72, 8870464), (93, 6867456), (96, 6652848), (102, 6261504), (124, 5150592), (128, 4989636), (136, 4696128), (144, 4435232), (153, 4174336), (186, 3433728), (192, 3326424), (204, 3130752), (248, 2575296), (256, 2494818), (263, 2428416), (272, 2348064), (279, 2289152), (288, 2217616), (306, 2087168), (372, 1716864), (384, 1663212), (408, 1565376), (496, 1287648), (512, 1247409), (526, 1214208), (527, 1211904), (544, 1174032), (558, 1144576), (576, 1108808), (612, 1043584), (744, 858432), (768, 831606), (789, 809472), (816, 782688), (992, 643824), (1052, 607104), (1054, 605952), (1088, 587016), (1116, 572288), (1152, 554404), (1224, 521792), (1488, 429216), (1536, 415803), (1578, 404736), (1581, 403968), (1632, 391344), (1984, 321912), (2104, 303552), (2108, 302976), (2176, 293508), (2232, 286144), (2304, 277202), (2367, 269824), (2448, 260896), (2976, 214608), (3156, 202368), (3162, 201984), (3264, 195672), (3968, 160956), (4208, 151776), (4216, 151488), (4352, 146754), (4464, 143072), (4471, 142848), (4608, 138601), (4734, 134912), (4743, 134656), (4896, 130448), (5952, 107304), (6312, 101184), (6324, 100992), (6528, 97836), (7936, 80478), (8153, 78336), (8416, 75888), (8432, 75744), (8704, 73377), (8928, 71536), (8942, 71424), (9468, 67456), (9486, 67328), (9792, 65224), (11904, 53652), (12624, 50592), (12648, 50496), (13056, 48918), (13413, 47616), (15872, 40239), (16306, 39168), (16832, 37944), (16864, 37872), (17856, 35768), (17884, 35712), (18936, 33728), (18972, 33664), (19584, 32612), (23808, 26826), (24459, 26112), (25248, 25296)]