28691946

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 64899744

約数和(自身を除く): 36207798

約数列:

[1, 2, 3, 6, 9, 18, 37, 67, 74, 111, 134, 201, 222, 333, 402, 603, 643, 666, 1206, 1286, 1929, 2479, 3858, 4958, 5787, 7437, 11574, 14874, 22311, 23791, 43081, 44622, 47582, 71373, 86162, 129243, 142746, 214119, 258486, 387729, 428238, 775458, 1593997, 3187994, 4781991, 9563982, 14345973, 28691946]

約数ペア:

[(1, 28691946), (2, 14345973), (3, 9563982), (6, 4781991), (9, 3187994), (18, 1593997), (37, 775458), (67, 428238), (74, 387729), (111, 258486), (134, 214119), (201, 142746), (222, 129243), (333, 86162), (402, 71373), (603, 47582), (643, 44622), (666, 43081), (1206, 23791), (1286, 22311), (1929, 14874), (2479, 11574), (3858, 7437), (4958, 5787)]