OFFSET
1,2
COMMENTS
The number of divisors is 4608.
2^60-1 is the largest unsigned integer in a 60-bit word.
LINKS
T. D. Noe, Table of n, a(n) for n=1..4608 (all divisors)
PROG
(PARI) {a(n)=local(x, d, N); if(n<1||n>4608, 0, N=2^60-1; d=1; while(n>0, if(N%d==0, n--; x=d); d++); x)} /* Michael Somos, Feb 17 2006 */
CROSSREFS
KEYWORD
nonn,fini,full,easy
AUTHOR
Michael Somos, Mar 05 2003; corrected Feb 17 2006
STATUS
approved