66961225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 88873280

約数和(自身を除く): 21912055

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 1159, 1525, 2311, 5795, 11555, 28975, 43909, 57775, 140971, 219545, 704855, 1097725, 2678449, 3524275, 13392245, 66961225]

約数ペア:

[(1, 66961225), (5, 13392245), (19, 3524275), (25, 2678449), (61, 1097725), (95, 704855), (305, 219545), (475, 140971), (1159, 57775), (1525, 43909), (2311, 28975), (5795, 11555)]