257947776

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^2\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 770280030

約数和(自身を除く): 512332254

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 233, 248, 279, 288, 372, 384, 466, 496, 558, 576, 699, 744, 932, 961, 992, 1116, 1152, 1398, 1488, 1864, 1922, 1984, 2097, 2232, 2796, 2883, 2976, 3728, 3844, 3968, 4194, 4464, 5592, 5766, 5952, 7223, 7456, 7688, 8388, 8649, 8928, 11184, 11532, 11904, 14446, 14912, 15376, 16776, 17298, 17856, 21669, 22368, 23064, 28892, 29824, 30752, 33552, 34596, 35712, 43338, 44736, 46128, 57784, 61504, 65007, 67104, 69192, 86676, 89472, 92256, 115568, 123008, 130014, 134208, 138384, 173352, 184512, 223913, 231136, 260028, 268416, 276768, 346704, 369024, 447826, 462272, 520056, 553536, 671739, 693408, 895652, 924544, 1040112, 1107072, 1343478, 1386816, 1791304, 2015217, 2080224, 2686956, 2773632, 3582608, 4030434, 4160448, 5373912, 7165216, 8060868, 8320896, 10747824, 14330432, 16121736, 21495648, 28660864, 32243472, 42991296, 64486944, 85982592, 128973888, 257947776]

約数ペア:

[(1, 257947776), (2, 128973888), (3, 85982592), (4, 64486944), (6, 42991296), (8, 32243472), (9, 28660864), (12, 21495648), (16, 16121736), (18, 14330432), (24, 10747824), (31, 8320896), (32, 8060868), (36, 7165216), (48, 5373912), (62, 4160448), (64, 4030434), (72, 3582608), (93, 2773632), (96, 2686956), (124, 2080224), (128, 2015217), (144, 1791304), (186, 1386816), (192, 1343478), (233, 1107072), (248, 1040112), (279, 924544), (288, 895652), (372, 693408), (384, 671739), (466, 553536), (496, 520056), (558, 462272), (576, 447826), (699, 369024), (744, 346704), (932, 276768), (961, 268416), (992, 260028), (1116, 231136), (1152, 223913), (1398, 184512), (1488, 173352), (1864, 138384), (1922, 134208), (1984, 130014), (2097, 123008), (2232, 115568), (2796, 92256), (2883, 89472), (2976, 86676), (3728, 69192), (3844, 67104), (3968, 65007), (4194, 61504), (4464, 57784), (5592, 46128), (5766, 44736), (5952, 43338), (7223, 35712), (7456, 34596), (7688, 33552), (8388, 30752), (8649, 29824), (8928, 28892), (11184, 23064), (11532, 22368), (11904, 21669), (14446, 17856), (14912, 17298), (15376, 16776)]