public void Problem26()
{
var sequences = Enumerable.Range(1, 1000)
.Select(n => Tuple.Create(n, Sequences.DivisorSequence(1, n)))
.OrderByDescending(s => s.Item2.Length)
.ToArray();
var longestCycle = sequences.First().Item1;
if (longestCycle != 983)
{
throw new InvalidOperationException("Problem not solved correctly");
}
}
