852355

素因数分解:

$5^1\times 7^4\times {\mathrm{71}}^1$

素因数の和:104

約数の個数: 20

約数和(自身を含む): 1210032

約数和(自身を除く): 357677

約数列:

[1, 5, 7, 35, 49, 71, 245, 343, 355, 497, 1715, 2401, 2485, 3479, 12005, 17395, 24353, 121765, 170471, 852355]

約数ペア:

[(1, 852355), (5, 170471), (7, 121765), (35, 24353), (49, 17395), (71, 12005), (245, 3479), (343, 2485), (355, 2401), (497, 1715)]