81161008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266977}}^1$

素因数の和:267004

約数の個数: 20

約数和(自身を含む): 165526360

約数和(自身を除く): 84365352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266977, 533954, 1067908, 2135816, 4271632, 5072563, 10145126, 20290252, 40580504, 81161008]

約数ペア:

[(1, 81161008), (2, 40580504), (4, 20290252), (8, 10145126), (16, 5072563), (19, 4271632), (38, 2135816), (76, 1067908), (152, 533954), (304, 266977)]