209459378

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1\times {\mathrm{2053}}^1$

素因数の和:2561

約数の個数: 16

約数和(自身を含む): 317466240

約数和(自身を除く): 108006862

約数列:

[1, 2, 139, 278, 367, 734, 2053, 4106, 51013, 102026, 285367, 570734, 753451, 1506902, 104729689, 209459378]

約数ペア:

[(1, 209459378), (2, 104729689), (139, 1506902), (278, 753451), (367, 570734), (734, 285367), (2053, 102026), (4106, 51013)]