28279328

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 44296672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 224, 253, 308, 322, 352, 368, 499, 506, 616, 644, 736, 998, 1012, 1232, 1288, 1771, 1996, 2024, 2464, 2576, 3493, 3542, 3992, 4048, 5152, 5489, 6986, 7084, 7984, 8096, 10978, 11477, 13972, 14168, 15968, 21956, 22954, 27944, 28336, 38423, 43912, 45908, 55888, 56672, 76846, 80339, 87824, 91816, 111776, 126247, 153692, 160678, 175648, 183632, 252494, 307384, 321356, 367264, 504988, 614768, 642712, 883729, 1009976, 1229536, 1285424, 1767458, 2019952, 2570848, 3534916, 4039904, 7069832, 14139664, 28279328]

約数ペア:

[(1, 28279328), (2, 14139664), (4, 7069832), (7, 4039904), (8, 3534916), (11, 2570848), (14, 2019952), (16, 1767458), (22, 1285424), (23, 1229536), (28, 1009976), (32, 883729), (44, 642712), (46, 614768), (56, 504988), (77, 367264), (88, 321356), (92, 307384), (112, 252494), (154, 183632), (161, 175648), (176, 160678), (184, 153692), (224, 126247), (253, 111776), (308, 91816), (322, 87824), (352, 80339), (368, 76846), (499, 56672), (506, 55888), (616, 45908), (644, 43912), (736, 38423), (998, 28336), (1012, 27944), (1232, 22954), (1288, 21956), (1771, 15968), (1996, 14168), (2024, 13972), (2464, 11477), (2576, 10978), (3493, 8096), (3542, 7984), (3992, 7084), (4048, 6986), (5152, 5489)]