13920256

素因数分解:

$2^{11}\times 7^1\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 31842720

約数和(自身を除く): 17922464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 971, 1024, 1792, 1942, 2048, 3584, 3884, 6797, 7168, 7768, 13594, 14336, 15536, 27188, 31072, 54376, 62144, 108752, 124288, 217504, 248576, 435008, 497152, 870016, 994304, 1740032, 1988608, 3480064, 6960128, 13920256]

約数ペア:

[(1, 13920256), (2, 6960128), (4, 3480064), (7, 1988608), (8, 1740032), (14, 994304), (16, 870016), (28, 497152), (32, 435008), (56, 248576), (64, 217504), (112, 124288), (128, 108752), (224, 62144), (256, 54376), (448, 31072), (512, 27188), (896, 15536), (971, 14336), (1024, 13594), (1792, 7768), (1942, 7168), (2048, 6797), (3584, 3884)]