例文
- Ref 2 says Yazdi found " an " amicable pair, not which one, and he is listed as Arabic though the Yazdi article says he's Iranian.
- The only known " n " satisfying these conditions are 2, 4 and 7, corresponding to the Thabit primes 11, 47 and 383 given by " n ", the Thabit primes 5, 23 and 191 given by " n " " 1, and our third terms are 71, 1151 and 73727 . ( The corresponding amicable pairs are ( 220, 284 ), ( 17296, 18416 ) and ( 9363584, 9437056 ))
