1982555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 2570400

約数和(自身を除く): 587845

約数列:

[1, 5, 19, 41, 95, 205, 509, 779, 2545, 3895, 9671, 20869, 48355, 104345, 396511, 1982555]

約数ペア:

[(1, 1982555), (5, 396511), (19, 104345), (41, 48355), (95, 20869), (205, 9671), (509, 3895), (779, 2545)]