55565815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^2$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 71522208

約数和(自身を除く): 15956393

約数列:

[1, 5, 23, 61, 89, 115, 305, 445, 1403, 2047, 5429, 7015, 7921, 10235, 27145, 39605, 124867, 182183, 483181, 624335, 910915, 2415905, 11113163, 55565815]

約数ペア:

[(1, 55565815), (5, 11113163), (23, 2415905), (61, 910915), (89, 624335), (115, 483181), (305, 182183), (445, 124867), (1403, 39605), (2047, 27145), (5429, 10235), (7015, 7921)]