128720339

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1789}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 145720320

約数和(自身を除く): 16999981

約数列:

[1, 11, 31, 211, 341, 1789, 2321, 6541, 19679, 55459, 71951, 377479, 610049, 4152269, 11701849, 128720339]

約数ペア:

[(1, 128720339), (11, 11701849), (31, 4152269), (211, 610049), (341, 377479), (1789, 71951), (2321, 55459), (6541, 19679)]