65281536

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 120

約数和(自身を含む): 194910144

約数和(自身を除く): 129628608

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, 248, 256, 279, 288, 372, 384, 457, 496, 512, 558, 576, 744, 768, 914, 992, 1116, 1152, 1371, 1488, 1536, 1828, 1984, 2232, 2304, 2742, 2976, 3656, 3968, 4113, 4464, 4608, 5484, 5952, 7312, 7936, 8226, 8928, 10968, 11904, 14167, 14624, 15872, 16452, 17856, 21936, 23808, 28334, 29248, 32904, 35712, 42501, 43872, 47616, 56668, 58496, 65808, 71424, 85002, 87744, 113336, 116992, 127503, 131616, 142848, 170004, 175488, 226672, 233984, 255006, 263232, 340008, 350976, 453344, 510012, 526464, 680016, 701952, 906688, 1020024, 1052928, 1360032, 1813376, 2040048, 2105856, 2720064, 3626752, 4080096, 5440128, 7253504, 8160192, 10880256, 16320384, 21760512, 32640768, 65281536]

約数ペア:

[(1, 65281536), (2, 32640768), (3, 21760512), (4, 16320384), (6, 10880256), (8, 8160192), (9, 7253504), (12, 5440128), (16, 4080096), (18, 3626752), (24, 2720064), (31, 2105856), (32, 2040048), (36, 1813376), (48, 1360032), (62, 1052928), (64, 1020024), (72, 906688), (93, 701952), (96, 680016), (124, 526464), (128, 510012), (144, 453344), (186, 350976), (192, 340008), (248, 263232), (256, 255006), (279, 233984), (288, 226672), (372, 175488), (384, 170004), (457, 142848), (496, 131616), (512, 127503), (558, 116992), (576, 113336), (744, 87744), (768, 85002), (914, 71424), (992, 65808), (1116, 58496), (1152, 56668), (1371, 47616), (1488, 43872), (1536, 42501), (1828, 35712), (1984, 32904), (2232, 29248), (2304, 28334), (2742, 23808), (2976, 21936), (3656, 17856), (3968, 16452), (4113, 15872), (4464, 14624), (4608, 14167), (5484, 11904), (5952, 10968), (7312, 8928), (7936, 8226)]