28638071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4481}}^1$

素因数の和:4582

約数の個数: 16

約数和(自身を含む): 36142848

約数和(自身を除く): 7504777

約数列:

[1, 7, 11, 77, 83, 581, 913, 4481, 6391, 31367, 49291, 345037, 371923, 2603461, 4091153, 28638071]

約数ペア:

[(1, 28638071), (7, 4091153), (11, 2603461), (77, 371923), (83, 345037), (581, 49291), (913, 31367), (4481, 6391)]