520018387

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{42719}}^1$

素因数の和:42810

約数の個数: 16

約数和(自身を含む): 623370240

約数和(自身を除く): 103351853

約数列:

[1, 7, 37, 47, 259, 329, 1739, 12173, 42719, 299033, 1580603, 2007793, 11064221, 14054551, 74288341, 520018387]

約数ペア:

[(1, 520018387), (7, 74288341), (37, 14054551), (47, 11064221), (259, 2007793), (329, 1580603), (1739, 299033), (12173, 42719)]