2193895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 2905632

約数和(自身を除く): 711737

約数列:

[1, 5, 11, 55, 113, 353, 565, 1243, 1765, 3883, 6215, 19415, 39889, 199445, 438779, 2193895]

約数ペア:

[(1, 2193895), (5, 438779), (11, 199445), (55, 39889), (113, 19415), (353, 6215), (565, 3883), (1243, 1765)]