Four times.
91,533,585,748,574,857,845,754,854,474,854,857,489,343,987,893,395,798,457,893,578,349,579,573,957,398,579,357,397,397 times
enough to beat them
198 times
198 times
The Giants record against the 49ers is 3-4
According to Pro Football Reference, through the 2007 season the 49ers and Raiders have met 11 times and the 49ers have won 5 of those games.
Six times.
14 consecutive times.
eighteen times
Nine times.
Through the 2011 season, the San Francisco 49ers have an all-time record of 11-9 versus the Steelers.
Twice - 2006 and 2007.