81078564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22447}}^1$

素因数の和:22504

約数の個数: 48

約数和(自身を含む): 221247488

約数和(自身を除く): 140168924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 22447, 44894, 67341, 89788, 134682, 157129, 269364, 314258, 471387, 628516, 942774, 965221, 1885548, 1930442, 2895663, 3860884, 5791326, 6756547, 11582652, 13513094, 20269641, 27026188, 40539282, 81078564]

約数ペア:

[(1, 81078564), (2, 40539282), (3, 27026188), (4, 20269641), (6, 13513094), (7, 11582652), (12, 6756547), (14, 5791326), (21, 3860884), (28, 2895663), (42, 1930442), (43, 1885548), (84, 965221), (86, 942774), (129, 628516), (172, 471387), (258, 314258), (301, 269364), (516, 157129), (602, 134682), (903, 89788), (1204, 67341), (1806, 44894), (3612, 22447)]