219914513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{1307}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 277316928

約数和(自身を除く): 57402415

約数列:

[1, 7, 13, 43, 91, 301, 559, 1307, 1849, 3913, 9149, 12943, 16991, 24037, 56201, 118937, 168259, 393407, 730613, 2416643, 5114291, 16916501, 31416359, 219914513]

約数ペア:

[(1, 219914513), (7, 31416359), (13, 16916501), (43, 5114291), (91, 2416643), (301, 730613), (559, 393407), (1307, 168259), (1849, 118937), (3913, 56201), (9149, 24037), (12943, 16991)]