205636784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{117911}}^1$

素因数の和:118028

約数の個数: 20

約数和(自身を含む): 402079920

約数和(自身を除く): 196443136

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 117911, 235822, 471644, 943288, 1886576, 12852299, 25704598, 51409196, 102818392, 205636784]

約数ペア:

[(1, 205636784), (2, 102818392), (4, 51409196), (8, 25704598), (16, 12852299), (109, 1886576), (218, 943288), (436, 471644), (872, 235822), (1744, 117911)]