209440921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 222243840

約数和(自身を除く): 12802919

約数列:

[1, 23, 103, 211, 419, 2369, 4853, 9637, 21733, 43157, 88409, 499859, 992611, 2033407, 9106127, 209440921]

約数ペア:

[(1, 209440921), (23, 9106127), (103, 2033407), (211, 992611), (419, 499859), (2369, 88409), (4853, 43157), (9637, 21733)]