247090256

素因数分解:

$2^4\times 7^1\times {\mathrm{2206163}}^1$

素因数の和:2206178

約数の個数: 20

約数和(自身を含む): 547128672

約数和(自身を除く): 300038416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2206163, 4412326, 8824652, 15443141, 17649304, 30886282, 35298608, 61772564, 123545128, 247090256]

約数ペア:

[(1, 247090256), (2, 123545128), (4, 61772564), (7, 35298608), (8, 30886282), (14, 17649304), (16, 15443141), (28, 8824652), (56, 4412326), (112, 2206163)]