157421978

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{4003}}^1$

素因数の和:4118

約数の個数: 24

約数和(自身を含む): 275122848

約数和(自身を除く): 117700870

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 2809, 4003, 5618, 8006, 19663, 28021, 39326, 56042, 212159, 424318, 1485113, 2970226, 11244427, 22488854, 78710989, 157421978]

約数ペア:

[(1, 157421978), (2, 78710989), (7, 22488854), (14, 11244427), (53, 2970226), (106, 1485113), (371, 424318), (742, 212159), (2809, 56042), (4003, 39326), (5618, 28021), (8006, 19663)]