39538828

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10159}}^1$

素因数の和:10309

約数の個数: 24

約数和(自身を含む): 79654400

約数和(自身を除く): 40115572

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 10159, 20318, 40636, 71113, 142226, 284452, 1412101, 2824202, 5648404, 9884707, 19769414, 39538828]

約数ペア:

[(1, 39538828), (2, 19769414), (4, 9884707), (7, 5648404), (14, 2824202), (28, 1412101), (139, 284452), (278, 142226), (556, 71113), (973, 40636), (1946, 20318), (3892, 10159)]