15721443910

素因数分解:

$2^1\times 5^1\times {\mathrm{28559}}^1\times {\mathrm{55049}}^1$

素因数の和:83615

約数の個数: 16

約数和(自身を含む): 28300104000

約数和(自身を除く): 12578660090

約数列:

[1, 2, 5, 10, 28559, 55049, 57118, 110098, 142795, 275245, 285590, 550490, 1572144391, 3144288782, 7860721955, 15721443910]

約数ペア:

[(1, 15721443910), (2, 7860721955), (5, 3144288782), (10, 1572144391), (28559, 550490), (55049, 285590), (57118, 275245), (110098, 142795)]