208678519

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{3557}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 262153440

約数和(自身を除く): 53474921

約数列:

[1, 7, 17, 29, 119, 203, 289, 493, 2023, 3451, 3557, 8381, 24899, 58667, 60469, 103153, 423283, 722071, 1027973, 1753601, 7195811, 12275207, 29811217, 208678519]

約数ペア:

[(1, 208678519), (7, 29811217), (17, 12275207), (29, 7195811), (119, 1753601), (203, 1027973), (289, 722071), (493, 423283), (2023, 103153), (3451, 60469), (3557, 58667), (8381, 24899)]