203852005

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{11719}}^1$

素因数の和:11809

約数の個数: 24

約数和(自身を含む): 288593280

約数和(自身を除く): 84741275

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 2485, 3479, 11719, 17395, 58595, 82033, 410165, 574231, 832049, 2871155, 4160245, 5824343, 29121715, 40770401, 203852005]

約数ペア:

[(1, 203852005), (5, 40770401), (7, 29121715), (35, 5824343), (49, 4160245), (71, 2871155), (245, 832049), (355, 574231), (497, 410165), (2485, 82033), (3479, 58595), (11719, 17395)]