87172836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{20123}}^1$

素因数の和:20168

約数の個数: 36

約数和(自身を含む): 214682832

約数和(自身を除く): 127509996

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 20123, 40246, 60369, 80492, 120738, 241476, 382337, 764674, 1147011, 1529348, 2294022, 4588044, 7264403, 14528806, 21793209, 29057612, 43586418, 87172836]

約数ペア:

[(1, 87172836), (2, 43586418), (3, 29057612), (4, 21793209), (6, 14528806), (12, 7264403), (19, 4588044), (38, 2294022), (57, 1529348), (76, 1147011), (114, 764674), (228, 382337), (361, 241476), (722, 120738), (1083, 80492), (1444, 60369), (2166, 40246), (4332, 20123)]