81185836

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{1021}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 144339104

約数和(自身を除く): 63153268

約数列:

[1, 2, 4, 103, 193, 206, 386, 412, 772, 1021, 2042, 4084, 19879, 39758, 79516, 105163, 197053, 210326, 394106, 420652, 788212, 20296459, 40592918, 81185836]

約数ペア:

[(1, 81185836), (2, 40592918), (4, 20296459), (103, 788212), (193, 420652), (206, 394106), (386, 210326), (412, 197053), (772, 105163), (1021, 79516), (2042, 39758), (4084, 19879)]