2009553878

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1\times {\mathrm{4787}}^1$

素因数の和:5707

約数の個数: 16

約数和(自身を含む): 3028161024

約数和(自身を除く): 1018607146

約数列:

[1, 2, 431, 487, 862, 974, 4787, 9574, 209897, 419794, 2063197, 2331269, 4126394, 4662538, 1004776939, 2009553878]

約数ペア:

[(1, 2009553878), (2, 1004776939), (431, 4662538), (487, 4126394), (862, 2331269), (974, 2063197), (4787, 419794), (9574, 209897)]