205778874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 481185792

約数和(自身を除く): 275406918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 151, 213, 302, 426, 453, 457, 497, 906, 914, 994, 1057, 1371, 1491, 2114, 2742, 2982, 3171, 3199, 6342, 6398, 9597, 10721, 19194, 21442, 32163, 32447, 64326, 64894, 69007, 75047, 97341, 138014, 150094, 194682, 207021, 225141, 227129, 414042, 450282, 454258, 483049, 681387, 966098, 1362774, 1449147, 2898294, 4899497, 9798994, 14698491, 29396982, 34296479, 68592958, 102889437, 205778874]

約数ペア:

[(1, 205778874), (2, 102889437), (3, 68592958), (6, 34296479), (7, 29396982), (14, 14698491), (21, 9798994), (42, 4899497), (71, 2898294), (142, 1449147), (151, 1362774), (213, 966098), (302, 681387), (426, 483049), (453, 454258), (457, 450282), (497, 414042), (906, 227129), (914, 225141), (994, 207021), (1057, 194682), (1371, 150094), (1491, 138014), (2114, 97341), (2742, 75047), (2982, 69007), (3171, 64894), (3199, 64326), (6342, 32447), (6398, 32163), (9597, 21442), (10721, 19194)]