66840496

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{101891}}^1$

素因数の和:101940

約数の個数: 20

約数和(自身を含む): 132663384

約数和(自身を除く): 65822888

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 101891, 203782, 407564, 815128, 1630256, 4177531, 8355062, 16710124, 33420248, 66840496]

約数ペア:

[(1, 66840496), (2, 33420248), (4, 16710124), (8, 8355062), (16, 4177531), (41, 1630256), (82, 815128), (164, 407564), (328, 203782), (656, 101891)]