4000976

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 8957760

約数和(自身を除く): 4956784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 257, 278, 514, 556, 973, 1028, 1112, 1799, 1946, 2056, 2224, 3598, 3892, 4112, 7196, 7784, 14392, 15568, 28784, 35723, 71446, 142892, 250061, 285784, 500122, 571568, 1000244, 2000488, 4000976]

約数ペア:

[(1, 4000976), (2, 2000488), (4, 1000244), (7, 571568), (8, 500122), (14, 285784), (16, 250061), (28, 142892), (56, 71446), (112, 35723), (139, 28784), (257, 15568), (278, 14392), (514, 7784), (556, 7196), (973, 4112), (1028, 3892), (1112, 3598), (1799, 2224), (1946, 2056)]