81411384

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78887}}^1$

素因数の和:78939

約数の個数: 32

約数和(自身を含む): 208264320

約数和(自身を除く): 126852936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 78887, 157774, 236661, 315548, 473322, 631096, 946644, 1893288, 3392141, 6784282, 10176423, 13568564, 20352846, 27137128, 40705692, 81411384]

約数ペア:

[(1, 81411384), (2, 40705692), (3, 27137128), (4, 20352846), (6, 13568564), (8, 10176423), (12, 6784282), (24, 3392141), (43, 1893288), (86, 946644), (129, 631096), (172, 473322), (258, 315548), (344, 236661), (516, 157774), (1032, 78887)]