67678457

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 86375520

約数和(自身を除く): 18697063

約数列:

[1, 7, 11, 49, 77, 307, 409, 539, 2149, 2863, 3377, 4499, 15043, 20041, 23639, 31493, 125563, 165473, 220451, 878941, 1381193, 6152587, 9668351, 67678457]

約数ペア:

[(1, 67678457), (7, 9668351), (11, 6152587), (49, 1381193), (77, 878941), (307, 220451), (409, 165473), (539, 125563), (2149, 31493), (2863, 23639), (3377, 20041), (4499, 15043)]