199747856

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2320

約数の個数: 80

約数和(自身を含む): 489337728

約数和(自身を除く): 289589872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 73, 77, 88, 112, 146, 154, 176, 292, 308, 511, 584, 616, 803, 1022, 1168, 1232, 1606, 2044, 2221, 3212, 4088, 4442, 5621, 6424, 8176, 8884, 11242, 12848, 15547, 17768, 22484, 24431, 31094, 35536, 44968, 48862, 62188, 89936, 97724, 124376, 162133, 171017, 195448, 248752, 324266, 342034, 390896, 648532, 684068, 1134931, 1297064, 1368136, 1783463, 2269862, 2594128, 2736272, 3566926, 4539724, 7133852, 9079448, 12484241, 14267704, 18158896, 24968482, 28535408, 49936964, 99873928, 199747856]

約数ペア:

[(1, 199747856), (2, 99873928), (4, 49936964), (7, 28535408), (8, 24968482), (11, 18158896), (14, 14267704), (16, 12484241), (22, 9079448), (28, 7133852), (44, 4539724), (56, 3566926), (73, 2736272), (77, 2594128), (88, 2269862), (112, 1783463), (146, 1368136), (154, 1297064), (176, 1134931), (292, 684068), (308, 648532), (511, 390896), (584, 342034), (616, 324266), (803, 248752), (1022, 195448), (1168, 171017), (1232, 162133), (1606, 124376), (2044, 97724), (2221, 89936), (3212, 62188), (4088, 48862), (4442, 44968), (5621, 35536), (6424, 31094), (8176, 24431), (8884, 22484), (11242, 17768), (12848, 15547)]