2071955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 589165

約数列:

[1, 5, 23, 43, 115, 215, 419, 989, 2095, 4945, 9637, 18017, 48185, 90085, 414391, 2071955]

約数ペア:

[(1, 2071955), (5, 414391), (23, 90085), (43, 48185), (115, 18017), (215, 9637), (419, 4945), (989, 2095)]