2012205415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 2666534400

約数和(自身を除く): 654328985

約数列:

[1, 5, 11, 55, 157, 199, 785, 995, 1171, 1727, 2189, 5855, 8635, 10945, 12881, 31243, 64405, 156215, 183847, 233029, 343673, 919235, 1165145, 1718365, 2022317, 2563319, 10111585, 12816595, 36585553, 182927765, 402441083, 2012205415]

約数ペア:

[(1, 2012205415), (5, 402441083), (11, 182927765), (55, 36585553), (157, 12816595), (199, 10111585), (785, 2563319), (995, 2022317), (1171, 1718365), (1727, 1165145), (2189, 919235), (5855, 343673), (8635, 233029), (10945, 183847), (12881, 156215), (31243, 64405)]