28925897

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 11829559

約数列:

[1, 7, 11, 13, 37, 71, 77, 91, 121, 143, 259, 407, 481, 497, 781, 847, 923, 1001, 1573, 2627, 2849, 3367, 4477, 5291, 5467, 6461, 8591, 10153, 11011, 18389, 28897, 31339, 34151, 37037, 58201, 60137, 71071, 111683, 202279, 239057, 317867, 375661, 407407, 781781, 2225069, 2629627, 4132271, 28925897]

約数ペア:

[(1, 28925897), (7, 4132271), (11, 2629627), (13, 2225069), (37, 781781), (71, 407407), (77, 375661), (91, 317867), (121, 239057), (143, 202279), (259, 111683), (407, 71071), (481, 60137), (497, 58201), (781, 37037), (847, 34151), (923, 31339), (1001, 28897), (1573, 18389), (2627, 11011), (2849, 10153), (3367, 8591), (4477, 6461), (5291, 5467)]