82420205

素因数分解:

$5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{953}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 115498872

約数和(自身を除く): 33078667

約数列:

[1, 5, 7, 35, 49, 245, 353, 953, 1765, 2471, 4765, 6671, 12355, 17297, 33355, 46697, 86485, 233485, 336409, 1682045, 2354863, 11774315, 16484041, 82420205]

約数ペア:

[(1, 82420205), (5, 16484041), (7, 11774315), (35, 2354863), (49, 1682045), (245, 336409), (353, 233485), (953, 86485), (1765, 46697), (2471, 33355), (4765, 17297), (6671, 12355)]