209550868

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{977}}^1$

素因数の和:1096

約数の個数: 36

約数和(自身を含む): 388784340

約数和(自身を除く): 179233472

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 977, 1247, 1849, 1954, 2494, 3698, 3908, 4988, 7396, 28333, 42011, 53621, 56666, 84022, 107242, 113332, 168044, 214484, 1218319, 1806473, 2436638, 3612946, 4873276, 7225892, 52387717, 104775434, 209550868]

約数ペア:

[(1, 209550868), (2, 104775434), (4, 52387717), (29, 7225892), (43, 4873276), (58, 3612946), (86, 2436638), (116, 1806473), (172, 1218319), (977, 214484), (1247, 168044), (1849, 113332), (1954, 107242), (2494, 84022), (3698, 56666), (3908, 53621), (4988, 42011), (7396, 28333)]