81858048

素因数分解:

$2^9\times 3^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 80

約数和(自身を含む): 220231440

約数和(自身を除く): 138373392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 256, 274, 384, 389, 411, 512, 548, 768, 778, 822, 1096, 1167, 1536, 1556, 1644, 2192, 2334, 3112, 3288, 4384, 4668, 6224, 6576, 8768, 9336, 12448, 13152, 17536, 18672, 24896, 26304, 35072, 37344, 49792, 52608, 53293, 70144, 74688, 99584, 105216, 106586, 149376, 159879, 199168, 210432, 213172, 298752, 319758, 426344, 597504, 639516, 852688, 1279032, 1705376, 2558064, 3410752, 5116128, 6821504, 10232256, 13643008, 20464512, 27286016, 40929024, 81858048]

約数ペア:

[(1, 81858048), (2, 40929024), (3, 27286016), (4, 20464512), (6, 13643008), (8, 10232256), (12, 6821504), (16, 5116128), (24, 3410752), (32, 2558064), (48, 1705376), (64, 1279032), (96, 852688), (128, 639516), (137, 597504), (192, 426344), (256, 319758), (274, 298752), (384, 213172), (389, 210432), (411, 199168), (512, 159879), (548, 149376), (768, 106586), (778, 105216), (822, 99584), (1096, 74688), (1167, 70144), (1536, 53293), (1556, 52608), (1644, 49792), (2192, 37344), (2334, 35072), (3112, 26304), (3288, 24896), (4384, 18672), (4668, 17536), (6224, 13152), (6576, 12448), (8768, 9336)]