25090079

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 7258081

約数列:

[1, 7, 17, 23, 89, 103, 119, 161, 391, 623, 721, 1513, 1751, 2047, 2369, 2737, 9167, 10591, 12257, 14329, 16583, 34799, 40273, 64169, 155839, 210841, 243593, 281911, 1090873, 1475887, 3584297, 25090079]

約数ペア:

[(1, 25090079), (7, 3584297), (17, 1475887), (23, 1090873), (89, 281911), (103, 243593), (119, 210841), (161, 155839), (391, 64169), (623, 40273), (721, 34799), (1513, 16583), (1751, 14329), (2047, 12257), (2369, 10591), (2737, 9167)]