209424712

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 461399040

約数和(自身を除く): 251974328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 101, 122, 202, 244, 404, 427, 488, 607, 707, 808, 854, 1214, 1414, 1708, 2428, 2828, 3416, 4249, 4856, 5656, 6161, 8498, 12322, 16996, 24644, 33992, 37027, 43127, 49288, 61307, 74054, 86254, 122614, 148108, 172508, 245228, 259189, 296216, 345016, 429149, 490456, 518378, 858298, 1036756, 1716596, 2073512, 3433192, 3739727, 7479454, 14958908, 26178089, 29917816, 52356178, 104712356, 209424712]

約数ペア:

[(1, 209424712), (2, 104712356), (4, 52356178), (7, 29917816), (8, 26178089), (14, 14958908), (28, 7479454), (56, 3739727), (61, 3433192), (101, 2073512), (122, 1716596), (202, 1036756), (244, 858298), (404, 518378), (427, 490456), (488, 429149), (607, 345016), (707, 296216), (808, 259189), (854, 245228), (1214, 172508), (1414, 148108), (1708, 122614), (2428, 86254), (2828, 74054), (3416, 61307), (4249, 49288), (4856, 43127), (5656, 37027), (6161, 33992), (8498, 24644), (12322, 16996)]