207249905

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{3761}}^1$

素因数の和:3976

約数の個数: 16

約数和(自身を含む): 253528704

約数和(自身を除く): 46278799

約数列:

[1, 5, 103, 107, 515, 535, 3761, 11021, 18805, 55105, 387383, 402427, 1936915, 2012135, 41449981, 207249905]

約数ペア:

[(1, 207249905), (5, 41449981), (103, 2012135), (107, 1936915), (515, 402427), (535, 387383), (3761, 55105), (11021, 18805)]