81109112

素因数分解:

$2^3\times 7^2\times {\mathrm{206911}}^1$

素因数の和:206931

約数の個数: 24

約数和(自身を含む): 176909760

約数和(自身を除く): 95800648

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 206911, 413822, 827644, 1448377, 1655288, 2896754, 5793508, 10138639, 11587016, 20277278, 40554556, 81109112]

約数ペア:

[(1, 81109112), (2, 40554556), (4, 20277278), (7, 11587016), (8, 10138639), (14, 5793508), (28, 2896754), (49, 1655288), (56, 1448377), (98, 827644), (196, 413822), (392, 206911)]