13180015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8161}}^1$

素因数の和:8202

約数の個数: 16

約数和(自身を含む): 17629920

約数和(自身を除く): 4449905

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 8161, 40805, 138737, 155059, 693685, 775295, 2636003, 13180015]

約数ペア:

[(1, 13180015), (5, 2636003), (17, 775295), (19, 693685), (85, 155059), (95, 138737), (323, 40805), (1615, 8161)]