66166465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 86275368

約数和(自身を除く): 20108903

約数列:

[1, 5, 17, 43, 85, 215, 421, 731, 1849, 2105, 3655, 7157, 9245, 18103, 31433, 35785, 90515, 157165, 307751, 778429, 1538755, 3892145, 13233293, 66166465]

約数ペア:

[(1, 66166465), (5, 13233293), (17, 3892145), (43, 1538755), (85, 778429), (215, 307751), (421, 157165), (731, 90515), (1849, 35785), (2105, 31433), (3655, 18103), (7157, 9245)]