28255744

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 80

約数和(自身を含む): 64080720

約数和(自身を除く): 35824976

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 173, 176, 232, 256, 319, 346, 352, 464, 512, 638, 692, 704, 928, 1276, 1384, 1408, 1856, 1903, 2552, 2768, 2816, 3712, 3806, 5017, 5104, 5536, 5632, 7424, 7612, 10034, 10208, 11072, 14848, 15224, 20068, 20416, 22144, 30448, 40136, 40832, 44288, 55187, 60896, 80272, 81664, 88576, 110374, 121792, 160544, 163328, 220748, 243584, 321088, 441496, 487168, 642176, 882992, 974336, 1284352, 1765984, 2568704, 3531968, 7063936, 14127872, 28255744]

約数ペア:

[(1, 28255744), (2, 14127872), (4, 7063936), (8, 3531968), (11, 2568704), (16, 1765984), (22, 1284352), (29, 974336), (32, 882992), (44, 642176), (58, 487168), (64, 441496), (88, 321088), (116, 243584), (128, 220748), (173, 163328), (176, 160544), (232, 121792), (256, 110374), (319, 88576), (346, 81664), (352, 80272), (464, 60896), (512, 55187), (638, 44288), (692, 40832), (704, 40136), (928, 30448), (1276, 22144), (1384, 20416), (1408, 20068), (1856, 15224), (1903, 14848), (2552, 11072), (2768, 10208), (2816, 10034), (3712, 7612), (3806, 7424), (5017, 5632), (5104, 5536)]