211328531

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 227867904

約数和(自身を除く): 16539373

約数列:

[1, 23, 43, 107, 989, 1997, 2461, 4601, 45931, 85871, 105823, 213679, 1975033, 4914617, 9188197, 211328531]

約数ペア:

[(1, 211328531), (23, 9188197), (43, 4914617), (107, 1975033), (989, 213679), (1997, 105823), (2461, 85871), (4601, 45931)]