28006517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{653}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 35033472

約数和(自身を除く): 7026955

約数列:

[1, 7, 11, 77, 557, 653, 3899, 4571, 6127, 7183, 42889, 50281, 363721, 2546047, 4000931, 28006517]

約数ペア:

[(1, 28006517), (7, 4000931), (11, 2546047), (77, 363721), (557, 50281), (653, 42889), (3899, 7183), (4571, 6127)]