161707784

素因数分解:

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

素因数の和:491

約数の個数: 64

約数和(自身を含む): 366633600

約数和(自身を除く): 204925816

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 421, 532, 722, 842, 1064, 1444, 1684, 2527, 2888, 2947, 3368, 5054, 5894, 6859, 7999, 10108, 11788, 13718, 15998, 20216, 23576, 27436, 31996, 48013, 54872, 55993, 63992, 96026, 111986, 151981, 192052, 223972, 303962, 384104, 447944, 607924, 1063867, 1215848, 2127734, 2887639, 4255468, 5775278, 8510936, 11550556, 20213473, 23101112, 40426946, 80853892, 161707784]

約数ペア:

[(1, 161707784), (2, 80853892), (4, 40426946), (7, 23101112), (8, 20213473), (14, 11550556), (19, 8510936), (28, 5775278), (38, 4255468), (56, 2887639), (76, 2127734), (133, 1215848), (152, 1063867), (266, 607924), (361, 447944), (421, 384104), (532, 303962), (722, 223972), (842, 192052), (1064, 151981), (1444, 111986), (1684, 96026), (2527, 63992), (2888, 55993), (2947, 54872), (3368, 48013), (5054, 31996), (5894, 27436), (6859, 23576), (7999, 20216), (10108, 15998), (11788, 13718)]