13315020145

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^2\times {\mathrm{10781}}^1$

素因数の和:10942

約数の個数: 36

約数和(自身を含む): 18853901172

約数和(自身を除く): 5538881027

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 2485, 3479, 5041, 10781, 17395, 25205, 35287, 53905, 75467, 176435, 247009, 377335, 528269, 765451, 1235045, 2641345, 3827255, 5358157, 26790785, 37507099, 54347021, 187535495, 271735105, 380429147, 1902145735, 2663004029, 13315020145]

約数ペア:

[(1, 13315020145), (5, 2663004029), (7, 1902145735), (35, 380429147), (49, 271735105), (71, 187535495), (245, 54347021), (355, 37507099), (497, 26790785), (2485, 5358157), (3479, 3827255), (5041, 2641345), (10781, 1235045), (17395, 765451), (25205, 528269), (35287, 377335), (53905, 247009), (75467, 176435)]