221520884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{12641}}^1$

素因数の和:12995

約数の個数: 24

約数和(自身を含む): 418753608

約数和(自身を除く): 197232724

約数列:

[1, 2, 4, 13, 26, 52, 337, 674, 1348, 4381, 8762, 12641, 17524, 25282, 50564, 164333, 328666, 657332, 4260017, 8520034, 17040068, 55380221, 110760442, 221520884]

約数ペア:

[(1, 221520884), (2, 110760442), (4, 55380221), (13, 17040068), (26, 8520034), (52, 4260017), (337, 657332), (674, 328666), (1348, 164333), (4381, 50564), (8762, 25282), (12641, 17524)]