68140981

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 75524400

約数和(自身を除く): 7383419

約数列:

[1, 17, 29, 89, 493, 1513, 1553, 2581, 26401, 43877, 45037, 138217, 765629, 2349689, 4008293, 68140981]

約数ペア:

[(1, 68140981), (17, 4008293), (29, 2349689), (89, 765629), (493, 138217), (1513, 45037), (1553, 43877), (2581, 26401)]