405380453779

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{2008793}}^1$

素因数の和:2009154

約数の個数: 16

約数和(自身を含む): 468997152768

約数和(自身を除く): 63616698989

約数列:

[1, 7, 127, 227, 889, 1589, 28829, 201803, 2008793, 14061551, 255116711, 455996011, 1785816977, 3191972077, 57911493397, 405380453779]

約数ペア:

[(1, 405380453779), (7, 57911493397), (127, 3191972077), (227, 1785816977), (889, 455996011), (1589, 255116711), (28829, 14061551), (201803, 2008793)]