66019807

素因数分解:

$7^2\times {\mathrm{103}}^2\times {\mathrm{127}}^1$

素因数の和:347

約数の個数: 18

約数和(自身を含む): 78162048

約数和(自身を除く): 12142241

約数列:

[1, 7, 49, 103, 127, 721, 889, 5047, 6223, 10609, 13081, 74263, 91567, 519841, 640969, 1347343, 9431401, 66019807]

約数ペア:

[(1, 66019807), (7, 9431401), (49, 1347343), (103, 640969), (127, 519841), (721, 91567), (889, 74263), (5047, 13081), (6223, 10609)]