139568128

素因数分解:

$2^{10}\times 7^1\times {\mathrm{19471}}^1$

素因数の和:19498

約数の個数: 44

約数和(自身を含む): 318873472

約数和(自身を除く): 179305344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 19471, 38942, 77884, 136297, 155768, 272594, 311536, 545188, 623072, 1090376, 1246144, 2180752, 2492288, 4361504, 4984576, 8723008, 9969152, 17446016, 19938304, 34892032, 69784064, 139568128]

約数ペア:

[(1, 139568128), (2, 69784064), (4, 34892032), (7, 19938304), (8, 17446016), (14, 9969152), (16, 8723008), (28, 4984576), (32, 4361504), (56, 2492288), (64, 2180752), (112, 1246144), (128, 1090376), (224, 623072), (256, 545188), (448, 311536), (512, 272594), (896, 155768), (1024, 136297), (1792, 77884), (3584, 38942), (7168, 19471)]