209328568

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{199741}}^1$

素因数の和:199878

約数の個数: 16

約数和(自身を含む): 395489160

約数和(自身を除く): 186160592

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 199741, 399482, 798964, 1597928, 26166071, 52332142, 104664284, 209328568]

約数ペア:

[(1, 209328568), (2, 104664284), (4, 52332142), (8, 26166071), (131, 1597928), (262, 798964), (524, 399482), (1048, 199741)]