221410564

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{67421}}^1$

素因数の和:68246

約数の個数: 12

約数和(自身を含む): 387946188

約数和(自身を除く): 166535624

約数列:

[1, 2, 4, 821, 1642, 3284, 67421, 134842, 269684, 55352641, 110705282, 221410564]

約数ペア:

[(1, 221410564), (2, 110705282), (4, 55352641), (821, 269684), (1642, 134842), (3284, 67421)]