28268656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 36727184

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 208, 247, 299, 304, 311, 368, 437, 494, 598, 622, 874, 988, 1196, 1244, 1748, 1976, 2392, 2488, 3496, 3952, 4043, 4784, 4976, 5681, 5909, 6992, 7153, 8086, 11362, 11818, 14306, 16172, 22724, 23636, 28612, 32344, 45448, 47272, 57224, 64688, 76817, 90896, 92989, 94544, 114448, 135907, 153634, 185978, 271814, 307268, 371956, 543628, 614536, 743912, 1087256, 1229072, 1487824, 1766791, 2174512, 3533582, 7067164, 14134328, 28268656]

約数ペア:

[(1, 28268656), (2, 14134328), (4, 7067164), (8, 3533582), (13, 2174512), (16, 1766791), (19, 1487824), (23, 1229072), (26, 1087256), (38, 743912), (46, 614536), (52, 543628), (76, 371956), (92, 307268), (104, 271814), (152, 185978), (184, 153634), (208, 135907), (247, 114448), (299, 94544), (304, 92989), (311, 90896), (368, 76817), (437, 64688), (494, 57224), (598, 47272), (622, 45448), (874, 32344), (988, 28612), (1196, 23636), (1244, 22724), (1748, 16172), (1976, 14306), (2392, 11818), (2488, 11362), (3496, 8086), (3952, 7153), (4043, 6992), (4784, 5909), (4976, 5681)]