80853892

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^3\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 171095680

約数和(自身を除く): 90241788

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 421, 532, 722, 842, 1444, 1684, 2527, 2947, 5054, 5894, 6859, 7999, 10108, 11788, 13718, 15998, 27436, 31996, 48013, 55993, 96026, 111986, 151981, 192052, 223972, 303962, 607924, 1063867, 2127734, 2887639, 4255468, 5775278, 11550556, 20213473, 40426946, 80853892]

約数ペア:

[(1, 80853892), (2, 40426946), (4, 20213473), (7, 11550556), (14, 5775278), (19, 4255468), (28, 2887639), (38, 2127734), (76, 1063867), (133, 607924), (266, 303962), (361, 223972), (421, 192052), (532, 151981), (722, 111986), (842, 96026), (1444, 55993), (1684, 48013), (2527, 31996), (2947, 27436), (5054, 15998), (5894, 13718), (6859, 11788), (7999, 10108)]