A177855 Divisors of 2^1092 - 1.

1, 3, 5, 7, 9, 13, 15, 21, 29, 35, 39, 43, 45, 49, 53, 63, 65, 79, 87, 91, 105, 113, 117, 127, 129, 145, 147, 157, 159, 169, 195, 203, 215, 237, 245, 261, 265, 273, 301, 313, 315, 337, 339, 371, 377, 381, 387, 395, 435, 441, 455, 471, 477, 507, 547, 553, 559, 565

Offset: 1

Author

Reinhard Zumkeller, May 14 2010

Keywords

• fini
• nonn

Comments

The sequence is finite with A000005(2^1092-1) = 178120883699712 terms.

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..10000 (Terms for n = 1..5000 from Reinhard Zumkeller)
• Dario A. Alpern, Factorization using the Elliptic Curve Method
• Index entries for sequences related to divisors of numbers

Crossrefs

Cf. A000005, A172290, A172291, A046801.

Programs

PARI

divisors(2^1092-1) \\ Charles R Greathouse IV, Jun 21 2017

Python

A177855_list = [i for i in range(1,10**6) if (2**1092-1) % i == 0] # Chai Wah Wu, Jun 02 2021