131280128

素因数分解:

$2^8\times 7^1\times {\mathrm{73259}}^1$

素因数の和:73282

約数の個数: 36

約数和(自身を含む): 299486880

約数和(自身を除く): 168206752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 73259, 146518, 293036, 512813, 586072, 1025626, 1172144, 2051252, 2344288, 4102504, 4688576, 8205008, 9377152, 16410016, 18754304, 32820032, 65640064, 131280128]

約数ペア:

[(1, 131280128), (2, 65640064), (4, 32820032), (7, 18754304), (8, 16410016), (14, 9377152), (16, 8205008), (28, 4688576), (32, 4102504), (56, 2344288), (64, 2051252), (112, 1172144), (128, 1025626), (224, 586072), (256, 512813), (448, 293036), (896, 146518), (1792, 73259)]