2189345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 2851200

約数和(自身を除く): 661855

約数列:

[1, 5, 17, 43, 85, 215, 599, 731, 2995, 3655, 10183, 25757, 50915, 128785, 437869, 2189345]

約数ペア:

[(1, 2189345), (5, 437869), (17, 128785), (43, 50915), (85, 25757), (215, 10183), (599, 3655), (731, 2995)]