72321485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 96256512

約数和(自身を除く): 23935027

約数列:

[1, 5, 17, 43, 47, 85, 215, 235, 421, 731, 799, 2021, 2105, 3655, 3995, 7157, 10105, 18103, 19787, 34357, 35785, 90515, 98935, 171785, 307751, 336379, 850841, 1538755, 1681895, 4254205, 14464297, 72321485]

約数ペア:

[(1, 72321485), (5, 14464297), (17, 4254205), (43, 1681895), (47, 1538755), (85, 850841), (215, 336379), (235, 307751), (421, 171785), (731, 98935), (799, 90515), (2021, 35785), (2105, 34357), (3655, 19787), (3995, 18103), (7157, 10105)]