16905784

素因数分解:

$2^3\times 7^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 37944000

約数和(自身を除く): 21038216

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 61, 98, 101, 122, 196, 202, 244, 343, 392, 404, 427, 488, 686, 707, 808, 854, 1372, 1414, 1708, 2744, 2828, 2989, 3416, 4949, 5656, 5978, 6161, 9898, 11956, 12322, 19796, 20923, 23912, 24644, 34643, 39592, 41846, 43127, 49288, 69286, 83692, 86254, 138572, 167384, 172508, 277144, 301889, 345016, 603778, 1207556, 2113223, 2415112, 4226446, 8452892, 16905784]

約数ペア:

[(1, 16905784), (2, 8452892), (4, 4226446), (7, 2415112), (8, 2113223), (14, 1207556), (28, 603778), (49, 345016), (56, 301889), (61, 277144), (98, 172508), (101, 167384), (122, 138572), (196, 86254), (202, 83692), (244, 69286), (343, 49288), (392, 43127), (404, 41846), (427, 39592), (488, 34643), (686, 24644), (707, 23912), (808, 20923), (854, 19796), (1372, 12322), (1414, 11956), (1708, 9898), (2744, 6161), (2828, 5978), (2989, 5656), (3416, 4949)]