25240145

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 35754048

約数和(自身を除く): 10513903

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 1451, 2485, 3479, 7255, 10157, 17395, 50785, 71099, 103021, 355495, 515105, 721147, 3605735, 5048029, 25240145]

約数ペア:

[(1, 25240145), (5, 5048029), (7, 3605735), (35, 721147), (49, 515105), (71, 355495), (245, 103021), (355, 71099), (497, 50785), (1451, 17395), (2485, 10157), (3479, 7255)]