209401070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1231771}}^1$

素因数の和:1231795

約数の個数: 16

約数和(自身を含む): 399094128

約数和(自身を除く): 189693058

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1231771, 2463542, 6158855, 12317710, 20940107, 41880214, 104700535, 209401070]

約数ペア:

[(1, 209401070), (2, 104700535), (5, 41880214), (10, 20940107), (17, 12317710), (34, 6158855), (85, 2463542), (170, 1231771)]