641791248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:433

約数の個数: 160

約数和(自身を含む): 1947708672

約数和(自身を除く): 1305917424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 173, 181, 183, 244, 336, 346, 362, 366, 427, 488, 519, 543, 692, 724, 732, 854, 976, 1038, 1086, 1211, 1267, 1281, 1384, 1448, 1464, 1708, 2076, 2172, 2422, 2534, 2562, 2768, 2896, 2928, 3416, 3633, 3801, 4152, 4344, 4844, 5068, 5124, 6832, 7266, 7602, 8304, 8688, 9688, 10136, 10248, 10553, 11041, 14532, 15204, 19376, 20272, 20496, 21106, 22082, 29064, 30408, 31313, 31659, 33123, 42212, 44164, 58128, 60816, 62626, 63318, 66246, 73871, 77287, 84424, 88328, 93939, 125252, 126636, 132492, 147742, 154574, 168848, 176656, 187878, 219191, 221613, 231861, 250504, 253272, 264984, 295484, 309148, 375756, 438382, 443226, 463722, 501008, 506544, 529968, 590968, 618296, 657573, 751512, 876764, 886452, 927444, 1181936, 1236592, 1315146, 1503024, 1753528, 1772904, 1854888, 1910093, 2630292, 3507056, 3545808, 3709776, 3820186, 5260584, 5730279, 7640372, 10521168, 11460558, 13370651, 15280744, 22921116, 26741302, 30561488, 40111953, 45842232, 53482604, 80223906, 91684464, 106965208, 160447812, 213930416, 320895624, 641791248]

約数ペア:

[(1, 641791248), (2, 320895624), (3, 213930416), (4, 160447812), (6, 106965208), (7, 91684464), (8, 80223906), (12, 53482604), (14, 45842232), (16, 40111953), (21, 30561488), (24, 26741302), (28, 22921116), (42, 15280744), (48, 13370651), (56, 11460558), (61, 10521168), (84, 7640372), (112, 5730279), (122, 5260584), (168, 3820186), (173, 3709776), (181, 3545808), (183, 3507056), (244, 2630292), (336, 1910093), (346, 1854888), (362, 1772904), (366, 1753528), (427, 1503024), (488, 1315146), (519, 1236592), (543, 1181936), (692, 927444), (724, 886452), (732, 876764), (854, 751512), (976, 657573), (1038, 618296), (1086, 590968), (1211, 529968), (1267, 506544), (1281, 501008), (1384, 463722), (1448, 443226), (1464, 438382), (1708, 375756), (2076, 309148), (2172, 295484), (2422, 264984), (2534, 253272), (2562, 250504), (2768, 231861), (2896, 221613), (2928, 219191), (3416, 187878), (3633, 176656), (3801, 168848), (4152, 154574), (4344, 147742), (4844, 132492), (5068, 126636), (5124, 125252), (6832, 93939), (7266, 88328), (7602, 84424), (8304, 77287), (8688, 73871), (9688, 66246), (10136, 63318), (10248, 62626), (10553, 60816), (11041, 58128), (14532, 44164), (15204, 42212), (19376, 33123), (20272, 31659), (20496, 31313), (21106, 30408), (22082, 29064)]