216919892

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{20441}}^1$

素因数の和:20831

約数の個数: 24

約数和(自身を含む): 435005760

約数和(自身を除く): 218085868

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2653, 5306, 10612, 20441, 40882, 81764, 143087, 286174, 572348, 7747139, 15494278, 30988556, 54229973, 108459946, 216919892]

約数ペア:

[(1, 216919892), (2, 108459946), (4, 54229973), (7, 30988556), (14, 15494278), (28, 7747139), (379, 572348), (758, 286174), (1516, 143087), (2653, 81764), (5306, 40882), (10612, 20441)]