81965774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{128473}}^1$

素因数の和:128515

約数の個数: 16

約数和(自身を含む): 138751920

約数和(自身を除く): 56786146

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 128473, 256946, 1413203, 2826406, 3725717, 7451434, 40982887, 81965774]

約数ペア:

[(1, 81965774), (2, 40982887), (11, 7451434), (22, 3725717), (29, 2826406), (58, 1413203), (319, 256946), (638, 128473)]