Jasper Yu => YSITD: For a given number n, send the number of pairs (x, y) where 2*x < x + y < n, and gcd(x, y) * n = x * y n = 180347474367792943796379419941147573782910437783933417011013802935705299986975755075324485747767221273156198629777348586935107191790615897017341637634877398172505299677 #59b4c4aec46dbe17caf35688

Jasper Yu says to YSITD

For a given number n, send the number of pairs (x, y) where 2*x < x + y < n, and gcd(x, y) * n = x * y n = 180347474367792943796379419941147573782910437783933417011013802935705299986975755075324485747767221273156198629777348586935107191790615897017341637634877398172505299677

at Sun, Sep 10, 2017 12:50 PM