13781645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 17603568

約数和(自身を除く): 3821923

約数列:

[1, 5, 17, 85, 281, 577, 1405, 2885, 4777, 9809, 23885, 49045, 162137, 810685, 2756329, 13781645]

約数ペア:

[(1, 13781645), (5, 2756329), (17, 810685), (85, 162137), (281, 49045), (577, 23885), (1405, 9809), (2885, 4777)]