1920205

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 2669184

約数和(自身を除く): 748979

約数列:

[1, 5, 7, 35, 83, 415, 581, 661, 2905, 3305, 4627, 23135, 54863, 274315, 384041, 1920205]

約数ペア:

[(1, 1920205), (5, 384041), (7, 274315), (35, 54863), (83, 23135), (415, 4627), (581, 3305), (661, 2905)]