66968545

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4481}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 95036328

約数和(自身を除く): 28067783

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 4481, 14945, 22405, 31367, 156835, 219569, 273341, 1097845, 1366705, 1913387, 9566935, 13393709, 66968545]

約数ペア:

[(1, 66968545), (5, 13393709), (7, 9566935), (35, 1913387), (49, 1366705), (61, 1097845), (245, 273341), (305, 219569), (427, 156835), (2135, 31367), (2989, 22405), (4481, 14945)]