13784405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3539}}^1$

素因数の和:3604

約数の個数: 16

約数和(自身を含む): 17841600

約数和(自身を除く): 4057195

約数列:

[1, 5, 19, 41, 95, 205, 779, 3539, 3895, 17695, 67241, 145099, 336205, 725495, 2756881, 13784405]

約数ペア:

[(1, 13784405), (5, 2756881), (19, 725495), (41, 336205), (95, 145099), (205, 67241), (779, 17695), (3539, 3895)]