Disclaimer: The flight manual and characteristics of the F-35 Draken are public domain/declassified and was published initially in July 1971 by SAAB : (Avialogs: Aviation Library - HFLV 685-121 - Flight Manual F/RF/TF-35 Draken)
Total of 24 flares (large caliber) along with 44 chaff and a further set of countermeasures if wing pods were available.
Info on CMS pods, internal:
Location of such CMS: