212219147

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 258103296

約数和(自身を除く): 45884149

約数列:

[1, 7, 43, 47, 49, 301, 329, 2021, 2107, 2143, 2303, 14147, 15001, 92149, 99029, 100721, 105007, 645043, 705047, 4331003, 4515301, 4935329, 30317021, 212219147]

約数ペア:

[(1, 212219147), (7, 30317021), (43, 4935329), (47, 4515301), (49, 4331003), (301, 705047), (329, 645043), (2021, 105007), (2107, 100721), (2143, 99029), (2303, 92149), (14147, 15001)]