17985415

素因数分解:

$5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 24747840

約数和(自身を除く): 6762425

約数列:

[1, 5, 7, 35, 389, 1321, 1945, 2723, 6605, 9247, 13615, 46235, 513869, 2569345, 3597083, 17985415]

約数ペア:

[(1, 17985415), (5, 3597083), (7, 2569345), (35, 513869), (389, 46235), (1321, 13615), (1945, 9247), (2723, 6605)]