209352790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1231487}}^1$

素因数の和:1231511

約数の個数: 16

約数和(自身を含む): 399002112

約数和(自身を除く): 189649322

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1231487, 2462974, 6157435, 12314870, 20935279, 41870558, 104676395, 209352790]

約数ペア:

[(1, 209352790), (2, 104676395), (5, 41870558), (10, 20935279), (17, 12314870), (34, 6157435), (85, 2462974), (170, 1231487)]