81159412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{22721}}^1$

素因数の和:22791

約数の個数: 24

約数和(自身を含む): 152691840

約数和(自身を除く): 71532428

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 22721, 45442, 90884, 431699, 863398, 1067887, 1726796, 2135774, 4271548, 20289853, 40579706, 81159412]

約数ペア:

[(1, 81159412), (2, 40579706), (4, 20289853), (19, 4271548), (38, 2135774), (47, 1726796), (76, 1067887), (94, 863398), (188, 431699), (893, 90884), (1786, 45442), (3572, 22721)]