31505369

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 8639527

約数列:

[1, 7, 17, 43, 47, 119, 131, 301, 329, 731, 799, 917, 2021, 2227, 5117, 5593, 5633, 6157, 14147, 15589, 34357, 39431, 43099, 95761, 104669, 240499, 264751, 670327, 732683, 1853257, 4500767, 31505369]

約数ペア:

[(1, 31505369), (7, 4500767), (17, 1853257), (43, 732683), (47, 670327), (119, 264751), (131, 240499), (301, 104669), (329, 95761), (731, 43099), (799, 39431), (917, 34357), (2021, 15589), (2227, 14147), (5117, 6157), (5593, 5633)]