66574081

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 84254720

約数和(自身を除く): 17680639

約数列:

[1, 7, 19, 31, 67, 133, 217, 241, 469, 589, 1273, 1687, 2077, 4123, 4579, 7471, 8911, 14539, 16147, 32053, 39463, 52297, 113029, 141949, 276241, 306793, 500557, 993643, 2147551, 3503899, 9510583, 66574081]

約数ペア:

[(1, 66574081), (7, 9510583), (19, 3503899), (31, 2147551), (67, 993643), (133, 500557), (217, 306793), (241, 276241), (469, 141949), (589, 113029), (1273, 52297), (1687, 39463), (2077, 32053), (4123, 16147), (4579, 14539), (7471, 8911)]