1289569712

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{1520719}}^1$

素因数の和:1520780

約数の個数: 20

約数和(自身を含む): 2545685280

約数和(自身を除く): 1256115568

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 1520719, 3041438, 6082876, 12165752, 24331504, 80598107, 161196214, 322392428, 644784856, 1289569712]

約数ペア:

[(1, 1289569712), (2, 644784856), (4, 322392428), (8, 161196214), (16, 80598107), (53, 24331504), (106, 12165752), (212, 6082876), (424, 3041438), (848, 1520719)]