81646774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127973}}^1$

素因数の和:128015

約数の個数: 16

約数和(自身を含む): 138211920

約数和(自身を除く): 56565146

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 127973, 255946, 1407703, 2815406, 3711217, 7422434, 40823387, 81646774]

約数ペア:

[(1, 81646774), (2, 40823387), (11, 7422434), (22, 3711217), (29, 2815406), (58, 1407703), (319, 255946), (638, 127973)]