2991745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 3870288

約数和(自身を除く): 878543

約数列:

[1, 5, 17, 61, 85, 305, 577, 1037, 2885, 5185, 9809, 35197, 49045, 175985, 598349, 2991745]

約数ペア:

[(1, 2991745), (5, 598349), (17, 175985), (61, 49045), (85, 35197), (305, 9809), (577, 5185), (1037, 2885)]