2005656191

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{338279}}^1$

素因数の和:338315

約数の個数: 18

約数和(自身を含む): 2564500680

約数和(自身を除く): 558844489

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 338279, 2367953, 3721069, 16575671, 26047483, 40931759, 182332381, 286522313, 2005656191]

約数ペア:

[(1, 2005656191), (7, 286522313), (11, 182332381), (49, 40931759), (77, 26047483), (121, 16575671), (539, 3721069), (847, 2367953), (5929, 338279)]