67997008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{249989}}^1$

素因数の和:250014

約数の個数: 20

約数和(自身を含む): 139494420

約数和(自身を除く): 71497412

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 249989, 499978, 999956, 1999912, 3999824, 4249813, 8499626, 16999252, 33998504, 67997008]

約数ペア:

[(1, 67997008), (2, 33998504), (4, 16999252), (8, 8499626), (16, 4249813), (17, 3999824), (34, 1999912), (68, 999956), (136, 499978), (272, 249989)]