255971712

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21503}}^1$

素因数の和:21551

約数の個数: 64

約数和(自身を含む): 701890560

約数和(自身を除く): 445918848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 21503, 43006, 64509, 86012, 129018, 172024, 258036, 344048, 516072, 666593, 688096, 1032144, 1333186, 1376192, 1999779, 2064288, 2666372, 2752384, 3999558, 4128576, 5332744, 7999116, 8257152, 10665488, 15998232, 21330976, 31996464, 42661952, 63992928, 85323904, 127985856, 255971712]

約数ペア:

[(1, 255971712), (2, 127985856), (3, 85323904), (4, 63992928), (6, 42661952), (8, 31996464), (12, 21330976), (16, 15998232), (24, 10665488), (31, 8257152), (32, 7999116), (48, 5332744), (62, 4128576), (64, 3999558), (93, 2752384), (96, 2666372), (124, 2064288), (128, 1999779), (186, 1376192), (192, 1333186), (248, 1032144), (372, 688096), (384, 666593), (496, 516072), (744, 344048), (992, 258036), (1488, 172024), (1984, 129018), (2976, 86012), (3968, 64509), (5952, 43006), (11904, 21503)]