209515534

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{20369}}^1$

素因数の和:20547

約数の個数: 16

約数和(自身を含む): 325105200

約数和(自身を除く): 115589666

約数列:

[1, 2, 37, 74, 139, 278, 5143, 10286, 20369, 40738, 753653, 1507306, 2831291, 5662582, 104757767, 209515534]

約数ペア:

[(1, 209515534), (2, 104757767), (37, 5662582), (74, 2831291), (139, 1507306), (278, 753653), (5143, 40738), (10286, 20369)]