66580591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27893}}^1$

素因数の和:27942

約数の個数: 16

約数和(自身を含む): 85690368

約数和(自身を除く): 19109777

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 27893, 195251, 306823, 864683, 2147761, 6052781, 9511513, 66580591]

約数ペア:

[(1, 66580591), (7, 9511513), (11, 6052781), (31, 2147761), (77, 864683), (217, 306823), (341, 195251), (2387, 27893)]