66630128

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{21139}}^1$

素因数の和:21344

約数の個数: 20

約数和(自身を含む): 129757320

約数和(自身を除く): 63127192

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 21139, 42278, 84556, 169112, 338224, 4164383, 8328766, 16657532, 33315064, 66630128]

約数ペア:

[(1, 66630128), (2, 33315064), (4, 16657532), (8, 8328766), (16, 4164383), (197, 338224), (394, 169112), (788, 84556), (1576, 42278), (3152, 21139)]