638931072

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1038

約数の個数: 128

約数和(自身を含む): 1842120000

約数和(自身を除く): 1203188928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 149, 156, 192, 208, 298, 312, 384, 416, 447, 596, 624, 832, 859, 894, 1192, 1248, 1664, 1718, 1788, 1937, 2384, 2496, 2577, 3436, 3576, 3874, 4768, 4992, 5154, 5811, 6872, 7152, 7748, 9536, 10308, 11167, 11622, 13744, 14304, 15496, 19072, 20616, 22334, 23244, 27488, 28608, 30992, 33501, 41232, 44668, 46488, 54976, 57216, 61984, 67002, 82464, 89336, 92976, 109952, 123968, 127991, 134004, 164928, 178672, 185952, 247936, 255982, 268008, 329856, 357344, 371904, 383973, 511964, 536016, 714688, 743808, 767946, 1023928, 1072032, 1429376, 1535892, 1663883, 2047856, 2144064, 3071784, 3327766, 4095712, 4288128, 4991649, 6143568, 6655532, 8191424, 9983298, 12287136, 13311064, 16382848, 19966596, 24574272, 26622128, 39933192, 49148544, 53244256, 79866384, 106488512, 159732768, 212977024, 319465536, 638931072]

約数ペア:

[(1, 638931072), (2, 319465536), (3, 212977024), (4, 159732768), (6, 106488512), (8, 79866384), (12, 53244256), (13, 49148544), (16, 39933192), (24, 26622128), (26, 24574272), (32, 19966596), (39, 16382848), (48, 13311064), (52, 12287136), (64, 9983298), (78, 8191424), (96, 6655532), (104, 6143568), (128, 4991649), (149, 4288128), (156, 4095712), (192, 3327766), (208, 3071784), (298, 2144064), (312, 2047856), (384, 1663883), (416, 1535892), (447, 1429376), (596, 1072032), (624, 1023928), (832, 767946), (859, 743808), (894, 714688), (1192, 536016), (1248, 511964), (1664, 383973), (1718, 371904), (1788, 357344), (1937, 329856), (2384, 268008), (2496, 255982), (2577, 247936), (3436, 185952), (3576, 178672), (3874, 164928), (4768, 134004), (4992, 127991), (5154, 123968), (5811, 109952), (6872, 92976), (7152, 89336), (7748, 82464), (9536, 67002), (10308, 61984), (11167, 57216), (11622, 54976), (13744, 46488), (14304, 44668), (15496, 41232), (19072, 33501), (20616, 30992), (22334, 28608), (23244, 27488)]