16321175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{3863}}^1$

素因数の和:3899

約数の個数: 18

約数和(自身を含む): 21920472

約数和(自身を除く): 5599297

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 3863, 4225, 19315, 50219, 96575, 251095, 652847, 1255475, 3264235, 16321175]

約数ペア:

[(1, 16321175), (5, 3264235), (13, 1255475), (25, 652847), (65, 251095), (169, 96575), (325, 50219), (845, 19315), (3863, 4225)]