51528988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 112326480

約数和(自身を除く): 60797492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 101, 133, 137, 196, 202, 266, 274, 404, 532, 548, 707, 931, 959, 1414, 1862, 1918, 1919, 2603, 2828, 3724, 3836, 3838, 4949, 5206, 6713, 7676, 9898, 10412, 13426, 13433, 13837, 18221, 19796, 26852, 26866, 27674, 36442, 53732, 55348, 72884, 94031, 96859, 127547, 188062, 193718, 255094, 262903, 376124, 387436, 510188, 525806, 678013, 1051612, 1356026, 1840321, 2712052, 3680642, 7361284, 12882247, 25764494, 51528988]

約数ペア:

[(1, 51528988), (2, 25764494), (4, 12882247), (7, 7361284), (14, 3680642), (19, 2712052), (28, 1840321), (38, 1356026), (49, 1051612), (76, 678013), (98, 525806), (101, 510188), (133, 387436), (137, 376124), (196, 262903), (202, 255094), (266, 193718), (274, 188062), (404, 127547), (532, 96859), (548, 94031), (707, 72884), (931, 55348), (959, 53732), (1414, 36442), (1862, 27674), (1918, 26866), (1919, 26852), (2603, 19796), (2828, 18221), (3724, 13837), (3836, 13433), (3838, 13426), (4949, 10412), (5206, 9898), (6713, 7676)]