290627456

素因数分解:

$2^7\times 7^1\times {\mathrm{324361}}^1$

素因数の和:324382

約数の個数: 32

約数和(自身を含む): 661698480

約数和(自身を除く): 371071024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 324361, 648722, 1297444, 2270527, 2594888, 4541054, 5189776, 9082108, 10379552, 18164216, 20759104, 36328432, 41518208, 72656864, 145313728, 290627456]

約数ペア:

[(1, 290627456), (2, 145313728), (4, 72656864), (7, 41518208), (8, 36328432), (14, 20759104), (16, 18164216), (28, 10379552), (32, 9082108), (56, 5189776), (64, 4541054), (112, 2594888), (128, 2270527), (224, 1297444), (448, 648722), (896, 324361)]