3×(2^2+1)×(2^4+1).(2^23+1)+1
=（2^2-1）×(2^2+1)×(2^4+1).(2^32+1)+1
=(2^4-1)×(2^4+1).(2^32+1)+1
=(2^8-1).(2^32+1)+1
=(2^32-1)(2^32+1)+1
=（2^64-1)+1
=2^64 3×(2^2+1)×(2^4+1).(2^23+1)+1
=（2^2-1）×(2^2+1)×(2^4+1).(2^32+1)+1
=(2^4-1)×(2^4+1).(2^32+1)+1
=(2^8-1).(2^32+1)+1
=(2^32-1)(2^32+1)+1
=（2^64-1)+1
=2^64