66987977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2531}}^1$

素因数の和:2756

約数の個数: 16

約数和(自身を含む): 81024000

約数和(自身を除く): 14036023

約数列:

[1, 7, 19, 133, 199, 1393, 2531, 3781, 17717, 26467, 48089, 336623, 503669, 3525683, 9569711, 66987977]

約数ペア:

[(1, 66987977), (7, 9569711), (19, 3525683), (133, 503669), (199, 336623), (1393, 48089), (2531, 26467), (3781, 17717)]