28490390

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4363}}^1$

素因数の和:5023

約数の個数: 16

約数和(自身を含む): 51373008

約数和(自身を除く): 22882618

約数列:

[1, 2, 5, 10, 653, 1306, 3265, 4363, 6530, 8726, 21815, 43630, 2849039, 5698078, 14245195, 28490390]

約数ペア:

[(1, 28490390), (2, 14245195), (5, 5698078), (10, 2849039), (653, 43630), (1306, 21815), (3265, 8726), (4363, 6530)]