289896656

素因数分解:

$2^4\times 7^1\times {\mathrm{2588363}}^1$

素因数の和:2588378

約数の個数: 20

約数和(自身を含む): 641914272

約数和(自身を除く): 352017616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2588363, 5176726, 10353452, 18118541, 20706904, 36237082, 41413808, 72474164, 144948328, 289896656]

約数ペア:

[(1, 289896656), (2, 144948328), (4, 72474164), (7, 41413808), (8, 36237082), (14, 20706904), (16, 18118541), (28, 10353452), (56, 5176726), (112, 2588363)]