138656476

素因数分解:

$2^2\times 7^2\times {\mathrm{707431}}^1$

素因数の和:707449

約数の個数: 18

約数和(自身を含む): 282265368

約数和(自身を除く): 143608892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 707431, 1414862, 2829724, 4952017, 9904034, 19808068, 34664119, 69328238, 138656476]

約数ペア:

[(1, 138656476), (2, 69328238), (4, 34664119), (7, 19808068), (14, 9904034), (28, 4952017), (49, 2829724), (98, 1414862), (196, 707431)]