51831988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 100759680

約数和(自身を除く): 48927692

約数列:

[1, 2, 4, 13, 26, 52, 71, 101, 139, 142, 202, 278, 284, 404, 556, 923, 1313, 1807, 1846, 2626, 3614, 3692, 5252, 7171, 7228, 9869, 14039, 14342, 19738, 28078, 28684, 39476, 56156, 93223, 128297, 182507, 186446, 256594, 365014, 372892, 513188, 730028, 996769, 1993538, 3987076, 12957997, 25915994, 51831988]

約数ペア:

[(1, 51831988), (2, 25915994), (4, 12957997), (13, 3987076), (26, 1993538), (52, 996769), (71, 730028), (101, 513188), (139, 372892), (142, 365014), (202, 256594), (278, 186446), (284, 182507), (404, 128297), (556, 93223), (923, 56156), (1313, 39476), (1807, 28684), (1846, 28078), (2626, 19738), (3614, 14342), (3692, 14039), (5252, 9869), (7171, 7228)]