Factorization
316 = 2 × 2 × 79
316 has 6 divisors: 1, 2, 4, 79, 158, 316
Sum of all divisors other than 316:
244
Sums & differences
Difference of 2 squares: 316 = 802 - 782
Goldbach conjecture: 316 = 313 + 3 = 311 + 5 = 293 + 23 = 269 + 47 = 263 + 53 = 257 + 59 = 233 + 83 = 227 + 89 = 179 + 137 = 167 + 149 = . . . (only the first 10 pairs are shown)