81656512

素因数分解:

$2^6\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1613}}^1$

素因数の和:1745

約数の個数: 56

約数和(自身を含む): 186939936

約数和(自身を除く): 105283424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 224, 226, 448, 452, 791, 904, 1582, 1613, 1808, 3164, 3226, 3616, 6328, 6452, 7232, 11291, 12656, 12904, 22582, 25312, 25808, 45164, 50624, 51616, 90328, 103232, 180656, 182269, 361312, 364538, 722624, 729076, 1275883, 1458152, 2551766, 2916304, 5103532, 5832608, 10207064, 11665216, 20414128, 40828256, 81656512]

約数ペア:

[(1, 81656512), (2, 40828256), (4, 20414128), (7, 11665216), (8, 10207064), (14, 5832608), (16, 5103532), (28, 2916304), (32, 2551766), (56, 1458152), (64, 1275883), (112, 729076), (113, 722624), (224, 364538), (226, 361312), (448, 182269), (452, 180656), (791, 103232), (904, 90328), (1582, 51616), (1613, 50624), (1808, 45164), (3164, 25808), (3226, 25312), (3616, 22582), (6328, 12904), (6452, 12656), (7232, 11291)]