290508765706

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{19937}}^1\times {\mathrm{66841}}^1$

素因数の和:86889

約数の個数: 16

約数和(自身を含む): 439789612680

約数和(自身を除く): 149280846974

約数列:

[1, 2, 109, 218, 19937, 39874, 66841, 133682, 2173133, 4346266, 7285669, 14571338, 1332609017, 2665218034, 145254382853, 290508765706]

約数ペア:

[(1, 290508765706), (2, 145254382853), (109, 2665218034), (218, 1332609017), (19937, 14571338), (39874, 7285669), (66841, 4346266), (133682, 2173133)]