12517865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 17521920

約数和(自身を除く): 5004055

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 337, 391, 437, 1615, 1685, 1955, 2185, 5729, 6403, 7429, 7751, 28645, 32015, 37145, 38755, 108851, 131767, 147269, 544255, 658835, 736345, 2503573, 12517865]

約数ペア:

[(1, 12517865), (5, 2503573), (17, 736345), (19, 658835), (23, 544255), (85, 147269), (95, 131767), (115, 108851), (323, 38755), (337, 37145), (391, 32015), (437, 28645), (1615, 7751), (1685, 7429), (1955, 6403), (2185, 5729)]