53897225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4373}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 73220760

約数和(自身を除く): 19323535

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 2465, 4373, 12325, 21865, 74341, 109325, 126817, 371705, 634085, 1858525, 2155889, 3170425, 10779445, 53897225]

約数ペア:

[(1, 53897225), (5, 10779445), (17, 3170425), (25, 2155889), (29, 1858525), (85, 634085), (145, 371705), (425, 126817), (493, 109325), (725, 74341), (2465, 21865), (4373, 12325)]