81859616

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 169047648

約数和(自身を除く): 87188032

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1312, 1376, 1451, 1763, 2902, 3526, 5804, 7052, 11608, 14104, 23216, 28208, 46432, 56416, 59491, 62393, 118982, 124786, 237964, 249572, 475928, 499144, 951856, 998288, 1903712, 1996576, 2558113, 5116226, 10232452, 20464904, 40929808, 81859616]

約数ペア:

[(1, 81859616), (2, 40929808), (4, 20464904), (8, 10232452), (16, 5116226), (32, 2558113), (41, 1996576), (43, 1903712), (82, 998288), (86, 951856), (164, 499144), (172, 475928), (328, 249572), (344, 237964), (656, 124786), (688, 118982), (1312, 62393), (1376, 59491), (1451, 56416), (1763, 46432), (2902, 28208), (3526, 23216), (5804, 14104), (7052, 11608)]