2009071309

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139393}}^1$

素因数の和:139500

約数の個数: 16

約数和(自身を含む): 2408728320

約数和(自身を除く): 399657011

約数列:

[1, 7, 29, 71, 203, 497, 2059, 14413, 139393, 975751, 4042397, 9896903, 28296779, 69278321, 287010187, 2009071309]

約数ペア:

[(1, 2009071309), (7, 287010187), (29, 69278321), (71, 28296779), (203, 9896903), (497, 4042397), (2059, 975751), (14413, 139393)]