81185806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72617}}^1$

素因数の和:72675

約数の個数: 16

約数和(自身を含む): 134198064

約数和(自身を除く): 53012258

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72617, 145234, 944021, 1888042, 3122531, 6245062, 40592903, 81185806]

約数ペア:

[(1, 81185806), (2, 40592903), (13, 6245062), (26, 3122531), (43, 1888042), (86, 944021), (559, 145234), (1118, 72617)]