28551205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1109}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 36230400

約数和(自身を除く): 7679195

約数列:

[1, 5, 19, 95, 271, 1109, 1355, 5149, 5545, 21071, 25745, 105355, 300539, 1502695, 5710241, 28551205]

約数ペア:

[(1, 28551205), (5, 5710241), (19, 1502695), (95, 300539), (271, 105355), (1109, 25745), (1355, 21071), (5149, 5545)]