13801505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 17582400

約数和(自身を除く): 3780895

約数列:

[1, 5, 19, 95, 131, 655, 1109, 2489, 5545, 12445, 21071, 105355, 145279, 726395, 2760301, 13801505]

約数ペア:

[(1, 13801505), (5, 2760301), (19, 726395), (95, 145279), (131, 105355), (655, 21071), (1109, 12445), (2489, 5545)]