66655729

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 80241408

約数和(自身を除く): 13585679

約数列:

[1, 7, 47, 49, 103, 281, 329, 721, 1967, 2303, 4841, 5047, 13207, 13769, 28943, 33887, 92449, 202601, 237209, 647143, 1360321, 1418207, 9522247, 66655729]

約数ペア:

[(1, 66655729), (7, 9522247), (47, 1418207), (49, 1360321), (103, 647143), (281, 237209), (329, 202601), (721, 92449), (1967, 33887), (2303, 28943), (4841, 13769), (5047, 13207)]