12661805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 16498944

約数和(自身を除く): 3837139

約数列:

[1, 5, 13, 65, 131, 655, 1487, 1703, 7435, 8515, 19331, 96655, 194797, 973985, 2532361, 12661805]

約数ペア:

[(1, 12661805), (5, 2532361), (13, 973985), (65, 194797), (131, 96655), (655, 19331), (1487, 8515), (1703, 7435)]