2851849

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 36

約数和(自身を含む): 4033092

約数和(自身を除く): 1181243

約数列:

[1, 7, 11, 13, 37, 49, 77, 91, 121, 143, 259, 407, 481, 539, 637, 847, 1001, 1573, 1813, 2849, 3367, 4477, 5291, 5929, 7007, 11011, 19943, 23569, 31339, 37037, 58201, 77077, 219373, 259259, 407407, 2851849]

約数ペア:

[(1, 2851849), (7, 407407), (11, 259259), (13, 219373), (37, 77077), (49, 58201), (77, 37037), (91, 31339), (121, 23569), (143, 19943), (259, 11011), (407, 7007), (481, 5929), (539, 5291), (637, 4477), (847, 3367), (1001, 2849), (1573, 1813)]