211245756

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{409391}}^1$

素因数の和:409441

約数の個数: 24

約数和(自身を含む): 504370944

約数和(自身を除く): 293125188

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 409391, 818782, 1228173, 1637564, 2456346, 4912692, 17603813, 35207626, 52811439, 70415252, 105622878, 211245756]

約数ペア:

[(1, 211245756), (2, 105622878), (3, 70415252), (4, 52811439), (6, 35207626), (12, 17603813), (43, 4912692), (86, 2456346), (129, 1637564), (172, 1228173), (258, 818782), (516, 409391)]