2821790

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1559}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 5110560

約数和(自身を除く): 2288770

約数列:

[1, 2, 5, 10, 181, 362, 905, 1559, 1810, 3118, 7795, 15590, 282179, 564358, 1410895, 2821790]

約数ペア:

[(1, 2821790), (2, 1410895), (5, 564358), (10, 282179), (181, 15590), (362, 7795), (905, 3118), (1559, 1810)]