The factors of the number 526,756,764 are: 1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 131, 138, 204, 262, 276, 391, 393, 524, 782, 786, 857, 1173, 1564, 1572, 1714, 2227, 2346, 2571, 3013, 3428, 4454, 4692, 5142, 6026, 6681, 8908, 9039, 10284, 12052, 13362, 14569, 18078, 19711, 26724, 29138, 36156, 39422, 43707, 51221, 58276, 59133, 78844, 87414, 102442, 112267, 118266, 153663, 174828, 204884, 224534, 236532, 307326, 335087, 336801, 449068, 614652, 670174, 673602, 1005261, 1340348, 1347204, 1908539, 2010522, 2582141, 3817078, 4021044, 5164282, 5725617, 7634156, 7746423, 10328564, 11451234, 15492846, 22902468, 30985692, 43896397, 87792794, 131689191, 175585588, 263378382, 526756764.
If you add them up, you will get the total of 1,369,944,576.