2288125

素因数分解:

$5^4\times 7^1\times {\mathrm{523}}^1$

素因数の和:550

約数の個数: 20

約数和(自身を含む): 3273952

約数和(自身を除く): 985827

約数列:

[1, 5, 7, 25, 35, 125, 175, 523, 625, 875, 2615, 3661, 4375, 13075, 18305, 65375, 91525, 326875, 457625, 2288125]

約数ペア:

[(1, 2288125), (5, 457625), (7, 326875), (25, 91525), (35, 65375), (125, 18305), (175, 13075), (523, 4375), (625, 3661), (875, 2615)]