139290256

素因数分解:

$2^4\times 7^1\times {\mathrm{1243663}}^1$

素因数の和:1243678

約数の個数: 20

約数和(自身を含む): 308428672

約数和(自身を除く): 169138416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1243663, 2487326, 4974652, 8705641, 9949304, 17411282, 19898608, 34822564, 69645128, 139290256]

約数ペア:

[(1, 139290256), (2, 69645128), (4, 34822564), (7, 19898608), (8, 17411282), (14, 9949304), (16, 8705641), (28, 4974652), (56, 2487326), (112, 1243663)]