131668556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{2621}}^1$

素因数の和:3305

約数の個数: 24

約数和(自身を含む): 243006960

約数和(自身を除く): 111338404

約数列:

[1, 2, 4, 19, 38, 76, 661, 1322, 2621, 2644, 5242, 10484, 12559, 25118, 49799, 50236, 99598, 199196, 1732481, 3464962, 6929924, 32917139, 65834278, 131668556]

約数ペア:

[(1, 131668556), (2, 65834278), (4, 32917139), (19, 6929924), (38, 3464962), (76, 1732481), (661, 199196), (1322, 99598), (2621, 50236), (2644, 49799), (5242, 25118), (10484, 12559)]