64692005

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3809

約数の個数: 24

約数和(自身を含む): 91601280

約数和(自身を除く): 26909275

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 2485, 3479, 3719, 17395, 18595, 26033, 130165, 182231, 264049, 911155, 1320245, 1848343, 9241715, 12938401, 64692005]

約数ペア:

[(1, 64692005), (5, 12938401), (7, 9241715), (35, 1848343), (49, 1320245), (71, 911155), (245, 264049), (355, 182231), (497, 130165), (2485, 26033), (3479, 18595), (3719, 17395)]