1999381321

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{130841}}^1$

素因数の和:130944

約数の個数: 16

約数和(自身を含む): 2386558080

約数和(自身を除く): 387176759

約数列:

[1, 7, 37, 59, 259, 413, 2183, 15281, 130841, 915887, 4841117, 7719619, 33887819, 54037333, 285625903, 1999381321]

約数ペア:

[(1, 1999381321), (7, 285625903), (37, 54037333), (59, 33887819), (259, 7719619), (413, 4841117), (2183, 915887), (15281, 130841)]