139308544

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 293838336

約数和(自身を除く): 154529792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 67, 124, 128, 131, 134, 248, 256, 262, 268, 496, 512, 524, 536, 992, 1048, 1072, 1984, 2077, 2096, 2144, 3968, 4061, 4154, 4192, 4288, 7936, 8122, 8308, 8384, 8576, 8777, 15872, 16244, 16616, 16768, 17152, 17554, 32488, 33232, 33536, 34304, 35108, 64976, 66464, 67072, 70216, 129952, 132928, 140432, 259904, 265856, 272087, 280864, 519808, 531712, 544174, 561728, 1039616, 1063424, 1088348, 1123456, 2079232, 2176696, 2246912, 4353392, 4493824, 8706784, 17413568, 34827136, 69654272, 139308544]

約数ペア:

[(1, 139308544), (2, 69654272), (4, 34827136), (8, 17413568), (16, 8706784), (31, 4493824), (32, 4353392), (62, 2246912), (64, 2176696), (67, 2079232), (124, 1123456), (128, 1088348), (131, 1063424), (134, 1039616), (248, 561728), (256, 544174), (262, 531712), (268, 519808), (496, 280864), (512, 272087), (524, 265856), (536, 259904), (992, 140432), (1048, 132928), (1072, 129952), (1984, 70216), (2077, 67072), (2096, 66464), (2144, 64976), (3968, 35108), (4061, 34304), (4154, 33536), (4192, 33232), (4288, 32488), (7936, 17554), (8122, 17152), (8308, 16768), (8384, 16616), (8576, 16244), (8777, 15872)]