240991009

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{883}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 278806528

約数和(自身を除く): 37815519

約数列:

[1, 7, 127, 307, 883, 889, 2149, 6181, 38989, 112141, 271081, 272923, 784987, 1897567, 34427287, 240991009]

約数ペア:

[(1, 240991009), (7, 34427287), (127, 1897567), (307, 784987), (883, 272923), (889, 271081), (2149, 112141), (6181, 38989)]