8721485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 11007360

約数和(自身を除く): 2285875

約数列:

[1, 5, 23, 115, 181, 419, 905, 2095, 4163, 9637, 20815, 48185, 75839, 379195, 1744297, 8721485]

約数ペア:

[(1, 8721485), (5, 1744297), (23, 379195), (115, 75839), (181, 48185), (419, 20815), (905, 9637), (2095, 4163)]