212850407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 283307520

約数和(自身を除く): 70457113

約数列:

[1, 7, 11, 19, 73, 77, 133, 209, 511, 803, 1387, 1463, 1993, 5621, 9709, 13951, 15257, 21923, 37867, 106799, 145489, 153461, 265069, 416537, 1018423, 1600379, 2764291, 2915759, 11202653, 19350037, 30407201, 212850407]

約数ペア:

[(1, 212850407), (7, 30407201), (11, 19350037), (19, 11202653), (73, 2915759), (77, 2764291), (133, 1600379), (209, 1018423), (511, 416537), (803, 265069), (1387, 153461), (1463, 145489), (1993, 106799), (5621, 37867), (9709, 21923), (13951, 15257)]