1980905857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{363269}}^1$

素因数の和:363336

約数の個数: 16

約数和(自身を含む): 2441174400

約数和(自身を除く): 460268543

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 363269, 2542883, 6902111, 14894029, 48314777, 104258203, 282986551, 1980905857]

約数ペア:

[(1, 1980905857), (7, 282986551), (19, 104258203), (41, 48314777), (133, 14894029), (287, 6902111), (779, 2542883), (5453, 363269)]