81118082

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{1621}}^1$

素因数の和:1945

約数の個数: 16

約数和(自身を含む): 123323904

約数和(自身を除く): 42205822

約数列:

[1, 2, 131, 191, 262, 382, 1621, 3242, 25021, 50042, 212351, 309611, 424702, 619222, 40559041, 81118082]

約数ペア:

[(1, 81118082), (2, 40559041), (131, 619222), (191, 424702), (262, 309611), (382, 212351), (1621, 50042), (3242, 25021)]