8439025

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^2$

素因数の和:190

約数の個数: 27

約数和(自身を含む): 12321291

約数和(自身を除く): 3882266

約数列:

[1, 5, 7, 25, 35, 49, 83, 175, 245, 415, 581, 1225, 2075, 2905, 4067, 6889, 14525, 20335, 34445, 48223, 101675, 172225, 241115, 337561, 1205575, 1687805, 8439025]

約数ペア:

[(1, 8439025), (5, 1687805), (7, 1205575), (25, 337561), (35, 241115), (49, 172225), (83, 101675), (175, 48223), (245, 34445), (415, 20335), (581, 14525), (1225, 6889), (2075, 4067)]