Proper divisors: Difference between revisions
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===Faster Proper Divisor Counting===
Alternative version that uses a sieve-like approach for faster proper divisor counting.
<br><br>Note, in order to run this with Algol 68G under Windows (and possibly
<lang algol68>BEGIN # count proper divisors using a sieve-like approach #
# find the first/only number in 1 : 20 000 and 1 : 64 000 000 with #
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