268577815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 380984544

約数和(自身を除く): 112406729

約数列:

[1, 5, 11, 17, 55, 61, 85, 187, 277, 289, 305, 671, 935, 1037, 1385, 1445, 3047, 3179, 3355, 4709, 5185, 11407, 15235, 15895, 16897, 17629, 23545, 51799, 57035, 80053, 84485, 88145, 185867, 193919, 258995, 287249, 400265, 880583, 929335, 969595, 1436245, 3159739, 4402915, 4883233, 15798695, 24416165, 53715563, 268577815]

約数ペア:

[(1, 268577815), (5, 53715563), (11, 24416165), (17, 15798695), (55, 4883233), (61, 4402915), (85, 3159739), (187, 1436245), (277, 969595), (289, 929335), (305, 880583), (671, 400265), (935, 287249), (1037, 258995), (1385, 193919), (1445, 185867), (3047, 88145), (3179, 84485), (3355, 80053), (4709, 57035), (5185, 51799), (11407, 23545), (15235, 17629), (15895, 16897)]