81128726

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{340877}}^1$

素因数の和:340903

約数の個数: 16

約数和(自身を含む): 147259296

約数和(自身を除く): 66130570

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 340877, 681754, 2386139, 4772278, 5794909, 11589818, 40564363, 81128726]

約数ペア:

[(1, 81128726), (2, 40564363), (7, 11589818), (14, 5794909), (17, 4772278), (34, 2386139), (119, 681754), (238, 340877)]