81961952

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 166698000

約数和(自身を除く): 84736048

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 179, 328, 349, 358, 656, 698, 716, 1312, 1396, 1432, 2792, 2864, 5584, 5728, 7339, 11168, 14309, 14678, 28618, 29356, 57236, 58712, 62471, 114472, 117424, 124942, 228944, 234848, 249884, 457888, 499768, 999536, 1999072, 2561311, 5122622, 10245244, 20490488, 40980976, 81961952]

約数ペア:

[(1, 81961952), (2, 40980976), (4, 20490488), (8, 10245244), (16, 5122622), (32, 2561311), (41, 1999072), (82, 999536), (164, 499768), (179, 457888), (328, 249884), (349, 234848), (358, 228944), (656, 124942), (698, 117424), (716, 114472), (1312, 62471), (1396, 58712), (1432, 57236), (2792, 29356), (2864, 28618), (5584, 14678), (5728, 14309), (7339, 11168)]