It might make a difference in terms of traffic that you receive from within Hubpages. But the number of followers you have makes no difference in terms of search engine traffic.
As far as getting more followers I would fight the urge to following a large number of people so that they would follow you back. Even if you succeed in getting a number of followers, the followers that you are receiving are not the kind that are likely to read your hubs. Also you Hubscore will plummet.
The best way to receive followers is by focusing on the quality of your hubs, and by being an active member of the community. While you comment on other people's hubs, participate in forums and answer questions, others may decide to quick on your profile and decide to follow you.