The factors of the number 664,611,354 are: 1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 251, 258, 311, 387, 473, 502, 622, 753, 774, 933, 946, 1419, 1506, 1866, 2259, 2761, 2799, 2838, 3421, 4257, 4518, 5522, 5598, 6842, 8283, 8514, 10263, 10793, 13373, 16566, 20526, 21586, 24849, 26746, 30789, 32379, 40119, 49698, 61578, 64758, 78061, 80238, 97137, 118723, 120357, 147103, 156122, 194274, 234183, 237446, 240714, 294206, 356169, 441309, 468366, 702549, 712338, 858671, 882618, 1068507, 1323927, 1405098, 1717342, 2137014, 2576013, 2647854, 3356623, 5152026, 6713246, 7728039, 10069869, 15456078, 20139738, 30209607, 36922853, 60419214, 73845706, 110768559, 221537118, 332305677, 664611354.
If you add them up, you will get the total of 1,619,025,408.