209541574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{72707}}^1$

素因数の和:72851

約数の個数: 16

約数和(自身を含む): 345508416

約数和(自身を除く): 135966842

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 72707, 145414, 799777, 1599554, 9524617, 19049234, 104770787, 209541574]

約数ペア:

[(1, 209541574), (2, 104770787), (11, 19049234), (22, 9524617), (131, 1599554), (262, 799777), (1441, 145414), (2882, 72707)]