4237765

素因数分解:

$5^1\times 7^4\times {\mathrm{353}}^1$

素因数の和:386

約数の個数: 20

約数和(自身を含む): 5949324

約数和(自身を除く): 1711559

約数列:

[1, 5, 7, 35, 49, 245, 343, 353, 1715, 1765, 2401, 2471, 12005, 12355, 17297, 86485, 121079, 605395, 847553, 4237765]

約数ペア:

[(1, 4237765), (5, 847553), (7, 605395), (35, 121079), (49, 86485), (245, 17297), (343, 12355), (353, 12005), (1715, 2471), (1765, 2401)]