2564828

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 5174400

約数和(自身を除く): 2609572

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 659, 973, 1318, 1946, 2636, 3892, 4613, 9226, 18452, 91601, 183202, 366404, 641207, 1282414, 2564828]

約数ペア:

[(1, 2564828), (2, 1282414), (4, 641207), (7, 366404), (14, 183202), (28, 91601), (139, 18452), (278, 9226), (556, 4613), (659, 3892), (973, 2636), (1318, 1946)]