1000244

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 2022720

約数和(自身を除く): 1022476

約数列:

[1, 2, 4, 7, 14, 28, 139, 257, 278, 514, 556, 973, 1028, 1799, 1946, 3598, 3892, 7196, 35723, 71446, 142892, 250061, 500122, 1000244]

約数ペア:

[(1, 1000244), (2, 500122), (4, 250061), (7, 142892), (14, 71446), (28, 35723), (139, 7196), (257, 3892), (278, 3598), (514, 1946), (556, 1799), (973, 1028)]