The factors of the number 7,808,976 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 127, 144, 168, 183, 244, 252, 254, 336, 366, 381, 427, 488, 504, 508, 549, 732, 762, 854, 889, 976, 1008, 1016, 1098, 1143, 1281, 1464, 1524, 1708, 1778, 2032, 2196, 2286, 2562, 2667, 2928, 3048, 3416, 3556, 3843, 4392, 4572, 5124, 5334, 6096, 6832, 7112, 7686, 7747, 8001, 8784, 9144, 10248, 10668, 14224, 15372, 15494, 16002, 18288, 20496, 21336, 23241, 30744, 30988, 32004, 42672, 46482, 54229, 61488, 61976, 64008, 69723, 92964, 108458, 123952, 128016, 139446, 162687, 185928, 216916, 278892, 325374, 371856, 433832, 488061, 557784, 650748, 867664, 976122, 1115568, 1301496, 1952244, 2602992, 3904488, 7808976.
If you add them up, you will get the total of 25,585,664.