648406255232

素因数分解:

$2^7\times {\mathrm{1993}}^1\times {\mathrm{2541733}}^1$

素因数の和:2543740

約数の個数: 32

約数和(自身を含む): 1292395486980

約数和(自身を除く): 643989231748

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1993, 3986, 7972, 15944, 31888, 63776, 127552, 255104, 2541733, 5083466, 10166932, 20333864, 40667728, 81335456, 162670912, 325341824, 5065673869, 10131347738, 20262695476, 40525390952, 81050781904, 162101563808, 324203127616, 648406255232]

約数ペア:

[(1, 648406255232), (2, 324203127616), (4, 162101563808), (8, 81050781904), (16, 40525390952), (32, 20262695476), (64, 10131347738), (128, 5065673869), (1993, 325341824), (3986, 162670912), (7972, 81335456), (15944, 40667728), (31888, 20333864), (63776, 10166932), (127552, 5083466), (255104, 2541733)]