278857216

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:835

約数の個数: 80

約数和(自身を含む): 617728320

約数和(自身を除く): 338871104

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 128, 134, 176, 256, 268, 352, 512, 536, 704, 737, 739, 1072, 1408, 1474, 1478, 2144, 2816, 2948, 2956, 4288, 5632, 5896, 5912, 8129, 8576, 11792, 11824, 16258, 17152, 23584, 23648, 32516, 34304, 47168, 47296, 49513, 65032, 94336, 94592, 99026, 130064, 188672, 189184, 198052, 260128, 377344, 378368, 396104, 520256, 544643, 792208, 1040512, 1089286, 1584416, 2081024, 2178572, 3168832, 4162048, 4357144, 6337664, 8714288, 12675328, 17428576, 25350656, 34857152, 69714304, 139428608, 278857216]

約数ペア:

[(1, 278857216), (2, 139428608), (4, 69714304), (8, 34857152), (11, 25350656), (16, 17428576), (22, 12675328), (32, 8714288), (44, 6337664), (64, 4357144), (67, 4162048), (88, 3168832), (128, 2178572), (134, 2081024), (176, 1584416), (256, 1089286), (268, 1040512), (352, 792208), (512, 544643), (536, 520256), (704, 396104), (737, 378368), (739, 377344), (1072, 260128), (1408, 198052), (1474, 189184), (1478, 188672), (2144, 130064), (2816, 99026), (2948, 94592), (2956, 94336), (4288, 65032), (5632, 49513), (5896, 47296), (5912, 47168), (8129, 34304), (8576, 32516), (11792, 23648), (11824, 23584), (16258, 17152)]