2011945105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{182821}}^1$

素因数の和:182928

約数の個数: 16

約数和(自身を含む): 2527331328

約数和(自身を除く): 515386223

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 182821, 914105, 5667451, 12980291, 28337255, 64901455, 402389021, 2011945105]

約数ペア:

[(1, 2011945105), (5, 402389021), (31, 64901455), (71, 28337255), (155, 12980291), (355, 5667451), (2201, 914105), (11005, 182821)]