15642256

素因数分解:

$2^4\times 7^1\times {\mathrm{139663}}^1$

素因数の和:139678

約数の個数: 20

約数和(自身を含む): 34636672

約数和(自身を除く): 18994416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139663, 279326, 558652, 977641, 1117304, 1955282, 2234608, 3910564, 7821128, 15642256]

約数ペア:

[(1, 15642256), (2, 7821128), (4, 3910564), (7, 2234608), (8, 1955282), (14, 1117304), (16, 977641), (28, 558652), (56, 279326), (112, 139663)]