66681605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{937}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 82213824

約数和(自身を除く): 15532219

約数列:

[1, 5, 43, 215, 331, 937, 1655, 4685, 14233, 40291, 71165, 201455, 310147, 1550735, 13336321, 66681605]

約数ペア:

[(1, 66681605), (5, 13336321), (43, 1550735), (215, 310147), (331, 201455), (937, 71165), (1655, 40291), (4685, 14233)]