287394128

素因数分解:

$2^4\times 7^1\times {\mathrm{2566019}}^1$

素因数の和:2566034

約数の個数: 20

約数和(自身を含む): 636372960

約数和(自身を除く): 348978832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2566019, 5132038, 10264076, 17962133, 20528152, 35924266, 41056304, 71848532, 143697064, 287394128]

約数ペア:

[(1, 287394128), (2, 143697064), (4, 71848532), (7, 41056304), (8, 35924266), (14, 20528152), (16, 17962133), (28, 10264076), (56, 5132038), (112, 2566019)]