2051005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 2721600

約数和(自身を除く): 670595

約数列:

[1, 5, 11, 55, 89, 419, 445, 979, 2095, 4609, 4895, 23045, 37291, 186455, 410201, 2051005]

約数ペア:

[(1, 2051005), (5, 410201), (11, 186455), (55, 37291), (89, 23045), (419, 4895), (445, 4609), (979, 2095)]