40019903

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 51672096

約数和(自身を除く): 11652193

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 1277, 2849, 4477, 8939, 14047, 31339, 47249, 98329, 154517, 330743, 519739, 1081619, 3638173, 5717129, 40019903]

約数ペア:

[(1, 40019903), (7, 5717129), (11, 3638173), (37, 1081619), (77, 519739), (121, 330743), (259, 154517), (407, 98329), (847, 47249), (1277, 31339), (2849, 14047), (4477, 8939)]