func main() {
sum := uint64(2)
outerloop:
for i := uint64(3); i < 2000000; i = i + 2 {
limit := euler.Sqrt(i)
for j := uint64(3); j <= limit; j = j + 2 {
if i%j == 0 {
continue outerloop
}
}
sum = sum + i
}
fmt.Printf("10 %d\n", sum)
}
func main() {
var i, j, tn, factors uint64
for factors < 500 {
i++
tn = tn + i
factors = 2 // tn, 1
limit := euler.Sqrt(tn)
for j = 2; j <= limit; j++ {
if tn%j == 0 {
factors += 2
}
}
}
fmt.Printf("12 %d\n", tn)
}
func divisor_sum(n uint64) uint64 {
var sum uint64
if n == 1 {
return 1
}
limit := euler.Sqrt(n)
sum = 1
if limit*limit == n {
sum = sum + limit
}
for i := uint64(2); i < limit; i++ {
if n%i == 0 {
sum = sum + i + n/i
}
}
return sum
}