209216890729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1864861}}^1$

素因数の和:1864957

約数の個数: 32

約数和(自身を含む): 274985091072

約数和(自身を除く): 65768200343

約数列:

[1, 7, 11, 31, 47, 77, 217, 329, 341, 517, 1457, 2387, 3619, 10199, 16027, 112189, 1864861, 13054027, 20513471, 57810691, 87648467, 143594297, 404674837, 613539269, 635917601, 964133137, 2717102477, 4451423207, 6748931959, 19019717339, 29888127247, 209216890729]

約数ペア:

[(1, 209216890729), (7, 29888127247), (11, 19019717339), (31, 6748931959), (47, 4451423207), (77, 2717102477), (217, 964133137), (329, 635917601), (341, 613539269), (517, 404674837), (1457, 143594297), (2387, 87648467), (3619, 57810691), (10199, 20513471), (16027, 13054027), (112189, 1864861)]