821401216

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 1685282760

約数和(自身を除く): 863881544

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 281, 328, 557, 562, 656, 1114, 1124, 1312, 2228, 2248, 2624, 4456, 4496, 5248, 8912, 8992, 11521, 17824, 17984, 22837, 23042, 35648, 35968, 45674, 46084, 71296, 91348, 92168, 156517, 182696, 184336, 313034, 365392, 368672, 626068, 730784, 737344, 1252136, 1461568, 1474688, 2504272, 2923136, 5008544, 6417197, 10017088, 12834394, 20034176, 25668788, 51337576, 102675152, 205350304, 410700608, 821401216]

約数ペア:

[(1, 821401216), (2, 410700608), (4, 205350304), (8, 102675152), (16, 51337576), (32, 25668788), (41, 20034176), (64, 12834394), (82, 10017088), (128, 6417197), (164, 5008544), (281, 2923136), (328, 2504272), (557, 1474688), (562, 1461568), (656, 1252136), (1114, 737344), (1124, 730784), (1312, 626068), (2228, 368672), (2248, 365392), (2624, 313034), (4456, 184336), (4496, 182696), (5248, 156517), (8912, 92168), (8992, 91348), (11521, 71296), (17824, 46084), (17984, 45674), (22837, 35968), (23042, 35648)]