203996429

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 264042240

約数和(自身を除く): 60045811

約数列:

[1, 7, 13, 37, 43, 91, 259, 301, 481, 559, 1409, 1591, 3367, 3913, 9863, 11137, 18317, 20683, 52133, 60587, 128219, 144781, 364931, 424109, 677729, 787631, 2241719, 4744103, 5513417, 15692033, 29142347, 203996429]

約数ペア:

[(1, 203996429), (7, 29142347), (13, 15692033), (37, 5513417), (43, 4744103), (91, 2241719), (259, 787631), (301, 677729), (481, 424109), (559, 364931), (1409, 144781), (1591, 128219), (3367, 60587), (3913, 52133), (9863, 20683), (11137, 18317)]