13971025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 18641664

約数和(自身を除く): 4670639

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 463, 1207, 1775, 2315, 6035, 7871, 11575, 30175, 32873, 39355, 164365, 196775, 558841, 821825, 2794205, 13971025]

約数ペア:

[(1, 13971025), (5, 2794205), (17, 821825), (25, 558841), (71, 196775), (85, 164365), (355, 39355), (425, 32873), (463, 30175), (1207, 11575), (1775, 7871), (2315, 6035)]