221512144

素因数分解:

$2^4\times 7^3\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 505523200

約数和(自身を除く): 284011056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 181, 196, 223, 343, 362, 392, 446, 686, 724, 784, 892, 1267, 1372, 1448, 1561, 1784, 2534, 2744, 2896, 3122, 3568, 5068, 5488, 6244, 8869, 10136, 10927, 12488, 17738, 20272, 21854, 24976, 35476, 40363, 43708, 62083, 70952, 76489, 80726, 87416, 124166, 141904, 152978, 161452, 174832, 248332, 282541, 305956, 322904, 496664, 565082, 611912, 645808, 993328, 1130164, 1223824, 1977787, 2260328, 3955574, 4520656, 7911148, 13844509, 15822296, 27689018, 31644592, 55378036, 110756072, 221512144]

約数ペア:

[(1, 221512144), (2, 110756072), (4, 55378036), (7, 31644592), (8, 27689018), (14, 15822296), (16, 13844509), (28, 7911148), (49, 4520656), (56, 3955574), (98, 2260328), (112, 1977787), (181, 1223824), (196, 1130164), (223, 993328), (343, 645808), (362, 611912), (392, 565082), (446, 496664), (686, 322904), (724, 305956), (784, 282541), (892, 248332), (1267, 174832), (1372, 161452), (1448, 152978), (1561, 141904), (1784, 124166), (2534, 87416), (2744, 80726), (2896, 76489), (3122, 70952), (3568, 62083), (5068, 43708), (5488, 40363), (6244, 35476), (8869, 24976), (10136, 21854), (10927, 20272), (12488, 17738)]