1278783232

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{161137}}^1$

素因数の和:161184

約数の個数: 36

約数和(自身を含む): 2634928576

約数和(自身を除く): 1356145344

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 161137, 322274, 644548, 1289096, 2578192, 4995247, 5156384, 9990494, 10312768, 19980988, 20625536, 39961976, 41251072, 79923952, 159847904, 319695808, 639391616, 1278783232]

約数ペア:

[(1, 1278783232), (2, 639391616), (4, 319695808), (8, 159847904), (16, 79923952), (31, 41251072), (32, 39961976), (62, 20625536), (64, 19980988), (124, 10312768), (128, 9990494), (248, 5156384), (256, 4995247), (496, 2578192), (992, 1289096), (1984, 644548), (3968, 322274), (7936, 161137)]