256485488

素因数分解:

$2^4\times 7^1\times {\mathrm{2290049}}^1$

素因数の和:2290064

約数の個数: 20

約数和(自身を含む): 567932400

約数和(自身を除く): 311446912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2290049, 4580098, 9160196, 16030343, 18320392, 32060686, 36640784, 64121372, 128242744, 256485488]

約数ペア:

[(1, 256485488), (2, 128242744), (4, 64121372), (7, 36640784), (8, 32060686), (14, 18320392), (16, 16030343), (28, 9160196), (56, 4580098), (112, 2290049)]