205654442

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 385862400

約数和(自身を除く): 180207958

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 109, 133, 173, 218, 266, 287, 346, 574, 763, 779, 1211, 1526, 1558, 2071, 2422, 3287, 4142, 4469, 5453, 6574, 7093, 8938, 10906, 14186, 14497, 18857, 23009, 28994, 31283, 37714, 46018, 49651, 62566, 84911, 99302, 131999, 134767, 169822, 263998, 269534, 358283, 594377, 716566, 773137, 943369, 1188754, 1546274, 1886738, 2507981, 5015962, 5411959, 10823918, 14689603, 29379206, 102827221, 205654442]

約数ペア:

[(1, 205654442), (2, 102827221), (7, 29379206), (14, 14689603), (19, 10823918), (38, 5411959), (41, 5015962), (82, 2507981), (109, 1886738), (133, 1546274), (173, 1188754), (218, 943369), (266, 773137), (287, 716566), (346, 594377), (574, 358283), (763, 269534), (779, 263998), (1211, 169822), (1526, 134767), (1558, 131999), (2071, 99302), (2422, 84911), (3287, 62566), (4142, 49651), (4469, 46018), (5453, 37714), (6574, 31283), (7093, 28994), (8938, 23009), (10906, 18857), (14186, 14497)]