209546281

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{11083}}^1$

素因数の和:11200

約数の個数: 16

約数和(自身を含む): 249345664

約数和(自身を除く): 39799383

約数列:

[1, 7, 37, 73, 259, 511, 2701, 11083, 18907, 77581, 410071, 809059, 2870497, 5663413, 29935183, 209546281]

約数ペア:

[(1, 209546281), (7, 29935183), (37, 5663413), (73, 2870497), (259, 809059), (511, 410071), (2701, 77581), (11083, 18907)]