12891025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 19234880

約数和(自身を除く): 6343855

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 3877, 19385, 27139, 73663, 96925, 135695, 368315, 515641, 678475, 1841575, 2578205, 12891025]

約数ペア:

[(1, 12891025), (5, 2578205), (7, 1841575), (19, 678475), (25, 515641), (35, 368315), (95, 135695), (133, 96925), (175, 73663), (475, 27139), (665, 19385), (3325, 3877)]