28216265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 14555191

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 385, 415, 581, 883, 913, 2905, 4415, 4565, 6181, 6391, 9713, 30905, 31955, 48565, 67991, 73289, 339955, 366445, 513023, 806179, 2565115, 4030895, 5643253, 28216265]

約数ペア:

[(1, 28216265), (5, 5643253), (7, 4030895), (11, 2565115), (35, 806179), (55, 513023), (77, 366445), (83, 339955), (385, 73289), (415, 67991), (581, 48565), (883, 31955), (913, 30905), (2905, 9713), (4415, 6391), (4565, 6181)]