Cacher is the code snippet organizer for pro developers

int amicableNumbers(int n) {
    boolean found = false;
    int i = Math.max(n, 200); 
    while (!found) {
        int di = d(i);
        int dj = d(di);
        if (dj == i && di != i) {
            found = true;
            return i;
        }
        i++;
    }
    return -1;
}

int d(int n) {
    int res = 1; 
    for (int i = 2; i < n; i++) if (n % i == 0) res+=i;
    return res;
}