81287272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{923719}}^1$

素因数の和:923736

約数の個数: 16

約数和(自身を含む): 166269600

約数和(自身を除く): 84982328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 923719, 1847438, 3694876, 7389752, 10160909, 20321818, 40643636, 81287272]

約数ペア:

[(1, 81287272), (2, 40643636), (4, 20321818), (8, 10160909), (11, 7389752), (22, 3694876), (44, 1847438), (88, 923719)]