201728128

素因数分解:

$2^7\times 7^1\times {\mathrm{225143}}^1$

素因数の和:225164

約数の個数: 32

約数和(自身を含む): 459293760

約数和(自身を除く): 257565632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 225143, 450286, 900572, 1576001, 1801144, 3152002, 3602288, 6304004, 7204576, 12608008, 14409152, 25216016, 28818304, 50432032, 100864064, 201728128]

約数ペア:

[(1, 201728128), (2, 100864064), (4, 50432032), (7, 28818304), (8, 25216016), (14, 14409152), (16, 12608008), (28, 7204576), (32, 6304004), (56, 3602288), (64, 3152002), (112, 1801144), (128, 1576001), (224, 900572), (448, 450286), (896, 225143)]