1643246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 16

約数和(自身を含む): 2716848

約数和(自身を除く): 1073602

約数列:

[1, 2, 11, 22, 113, 226, 661, 1243, 1322, 2486, 7271, 14542, 74693, 149386, 821623, 1643246]

約数ペア:

[(1, 1643246), (2, 821623), (11, 149386), (22, 74693), (113, 14542), (226, 7271), (661, 2486), (1243, 1322)]