67490305

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 83271888

約数和(自身を除く): 15781583

約数列:

[1, 5, 41, 205, 401, 821, 2005, 4105, 16441, 33661, 82205, 168305, 329221, 1646105, 13498061, 67490305]

約数ペア:

[(1, 67490305), (5, 13498061), (41, 1646105), (205, 329221), (401, 168305), (821, 82205), (2005, 33661), (4105, 16441)]