51033905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 73402560

約数和(自身を除く): 22368655

約数列:

[1, 5, 13, 19, 31, 43, 65, 95, 155, 215, 247, 403, 559, 589, 817, 961, 1235, 1333, 2015, 2795, 2945, 4085, 4805, 6665, 7657, 10621, 12493, 17329, 18259, 25327, 38285, 41323, 53105, 62465, 86645, 91295, 126635, 206615, 237367, 329251, 537199, 785137, 1186835, 1646255, 2685995, 3925685, 10206781, 51033905]

約数ペア:

[(1, 51033905), (5, 10206781), (13, 3925685), (19, 2685995), (31, 1646255), (43, 1186835), (65, 785137), (95, 537199), (155, 329251), (215, 237367), (247, 206615), (403, 126635), (559, 91295), (589, 86645), (817, 62465), (961, 53105), (1235, 41323), (1333, 38285), (2015, 25327), (2795, 18259), (2945, 17329), (4085, 12493), (4805, 10621), (6665, 7657)]