2005289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 2425920

約数和(自身を除く): 420631

約数列:

[1, 11, 13, 37, 143, 379, 407, 481, 4169, 4927, 5291, 14023, 54197, 154253, 182299, 2005289]

約数ペア:

[(1, 2005289), (11, 182299), (13, 154253), (37, 54197), (143, 14023), (379, 5291), (407, 4927), (481, 4169)]