208788558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 471336192

約数和(自身を除く): 262547634

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 193, 222, 386, 407, 443, 579, 814, 886, 1158, 1221, 1329, 2123, 2442, 2658, 4246, 4873, 6369, 7141, 9746, 12738, 14282, 14619, 16391, 21423, 29238, 32782, 42846, 49173, 78551, 85499, 98346, 157102, 170998, 180301, 235653, 256497, 360602, 471306, 512994, 540903, 940489, 1081806, 1880978, 2821467, 3163463, 5642934, 6326926, 9490389, 18980778, 34798093, 69596186, 104394279, 208788558]

約数ペア:

[(1, 208788558), (2, 104394279), (3, 69596186), (6, 34798093), (11, 18980778), (22, 9490389), (33, 6326926), (37, 5642934), (66, 3163463), (74, 2821467), (111, 1880978), (193, 1081806), (222, 940489), (386, 540903), (407, 512994), (443, 471306), (579, 360602), (814, 256497), (886, 235653), (1158, 180301), (1221, 170998), (1329, 157102), (2123, 98346), (2442, 85499), (2658, 78551), (4246, 49173), (4873, 42846), (6369, 32782), (7141, 29238), (9746, 21423), (12738, 16391), (14282, 14619)]