211861972

素因数分解:

$2^2\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{5479}}^1$

素因数の和:6871

約数の個数: 24

約数和(自身を含む): 424108160

約数和(自身を除く): 212246188

約数列:

[1, 2, 4, 7, 14, 28, 1381, 2762, 5479, 5524, 9667, 10958, 19334, 21916, 38353, 38668, 76706, 153412, 7566499, 15132998, 30265996, 52965493, 105930986, 211861972]

約数ペア:

[(1, 211861972), (2, 105930986), (4, 52965493), (7, 30265996), (14, 15132998), (28, 7566499), (1381, 153412), (2762, 76706), (5479, 38668), (5524, 38353), (9667, 21916), (10958, 19334)]