81827208

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{5711}}^1$

素因数の和:5922

約数の個数: 48

約数和(自身を含む): 222768000

約数和(自身を除く): 140940792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1592, 1791, 2388, 3582, 4776, 5711, 7164, 11422, 14328, 17133, 22844, 34266, 45688, 51399, 68532, 102798, 137064, 205596, 411192, 1136489, 2272978, 3409467, 4545956, 6818934, 9091912, 10228401, 13637868, 20456802, 27275736, 40913604, 81827208]

約数ペア:

[(1, 81827208), (2, 40913604), (3, 27275736), (4, 20456802), (6, 13637868), (8, 10228401), (9, 9091912), (12, 6818934), (18, 4545956), (24, 3409467), (36, 2272978), (72, 1136489), (199, 411192), (398, 205596), (597, 137064), (796, 102798), (1194, 68532), (1592, 51399), (1791, 45688), (2388, 34266), (3582, 22844), (4776, 17133), (5711, 14328), (7164, 11422)]