199385984

素因数分解:

$2^7\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1153}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 456707040

約数和(自身を除く): 257321056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 193, 224, 386, 448, 772, 896, 1153, 1351, 1544, 2306, 2702, 3088, 4612, 5404, 6176, 8071, 9224, 10808, 12352, 16142, 18448, 21616, 24704, 32284, 36896, 43232, 64568, 73792, 86464, 129136, 147584, 172928, 222529, 258272, 445058, 516544, 890116, 1033088, 1557703, 1780232, 3115406, 3560464, 6230812, 7120928, 12461624, 14241856, 24923248, 28483712, 49846496, 99692992, 199385984]

約数ペア:

[(1, 199385984), (2, 99692992), (4, 49846496), (7, 28483712), (8, 24923248), (14, 14241856), (16, 12461624), (28, 7120928), (32, 6230812), (56, 3560464), (64, 3115406), (112, 1780232), (128, 1557703), (193, 1033088), (224, 890116), (386, 516544), (448, 445058), (772, 258272), (896, 222529), (1153, 172928), (1351, 147584), (1544, 129136), (2306, 86464), (2702, 73792), (3088, 64568), (4612, 43232), (5404, 36896), (6176, 32284), (8071, 24704), (9224, 21616), (10808, 18448), (12352, 16142)]