638459134

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{12109}}^1$

素因数の和:12795

約数の個数: 16

約数和(自身を含む): 982653840

約数和(自身を除く): 344194706

約数列:

[1, 2, 41, 82, 643, 1286, 12109, 24218, 26363, 52726, 496469, 992938, 7786087, 15572174, 319229567, 638459134]

約数ペア:

[(1, 638459134), (2, 319229567), (41, 15572174), (82, 7786087), (643, 992938), (1286, 496469), (12109, 52726), (24218, 26363)]