4256021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1832

約数の個数: 16

約数和(自身を含む): 5480448

約数和(自身を除く): 1224427

約数列:

[1, 7, 11, 31, 77, 217, 341, 1783, 2387, 12481, 19613, 55273, 137291, 386911, 608003, 4256021]

約数ペア:

[(1, 4256021), (7, 608003), (11, 386911), (31, 137291), (77, 55273), (217, 19613), (341, 12481), (1783, 2387)]