81533984

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2209

約数の個数: 48

約数和(自身を含む): 184556736

約数和(自身を除く): 103022752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 724, 1267, 1448, 2011, 2534, 2896, 4022, 5068, 5792, 8044, 10136, 14077, 16088, 20272, 28154, 32176, 40544, 56308, 64352, 112616, 225232, 363991, 450464, 727982, 1455964, 2547937, 2911928, 5095874, 5823856, 10191748, 11647712, 20383496, 40766992, 81533984]

約数ペア:

[(1, 81533984), (2, 40766992), (4, 20383496), (7, 11647712), (8, 10191748), (14, 5823856), (16, 5095874), (28, 2911928), (32, 2547937), (56, 1455964), (112, 727982), (181, 450464), (224, 363991), (362, 225232), (724, 112616), (1267, 64352), (1448, 56308), (2011, 40544), (2534, 32176), (2896, 28154), (4022, 20272), (5068, 16088), (5792, 14077), (8044, 10136)]