42078476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{86939}}^1$

素因数の和:86965

約数の個数: 18

約数和(自身を含む): 80941140

約数和(自身を除く): 38862664

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 86939, 173878, 347756, 956329, 1912658, 3825316, 10519619, 21039238, 42078476]

約数ペア:

[(1, 42078476), (2, 21039238), (4, 10519619), (11, 3825316), (22, 1912658), (44, 956329), (121, 347756), (242, 173878), (484, 86939)]