The factors of the number 72,161,388 are: 1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 103, 108, 117, 156, 206, 234, 309, 351, 412, 468, 499, 618, 702, 927, 998, 1236, 1339, 1404, 1497, 1854, 1996, 2678, 2781, 2994, 3708, 4017, 4491, 5356, 5562, 5988, 6487, 8034, 8982, 11124, 12051, 12974, 13473, 16068, 17964, 19461, 24102, 25948, 26946, 36153, 38922, 48204, 51397, 53892, 58383, 72306, 77844, 102794, 116766, 144612, 154191, 175149, 205588, 233532, 308382, 350298, 462573, 616764, 668161, 700596, 925146, 1336322, 1387719, 1850292, 2004483, 2672644, 2775438, 4008966, 5550876, 6013449, 8017932, 12026898, 18040347, 24053796, 36080694, 72161388.
If you add them up, you will get the total of 72,161,519. Now subtract 72,161,388 to get 131,678,612