28110205

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 34398000

約数和(自身を除く): 6287795

約数列:

[1, 5, 89, 181, 349, 445, 905, 1745, 16109, 31061, 63169, 80545, 155305, 315845, 5622041, 28110205]

約数ペア:

[(1, 28110205), (5, 5622041), (89, 315845), (181, 155305), (349, 80545), (445, 63169), (905, 31061), (1745, 16109)]