139671868

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{15937}}^1$

素因数の和:16261

約数の個数: 24

約数和(自身を含む): 280253792

約数和(自身を除く): 140581924

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 15937, 31874, 63748, 111559, 223118, 446236, 4988281, 9976562, 19953124, 34917967, 69835934, 139671868]

約数ペア:

[(1, 139671868), (2, 69835934), (4, 34917967), (7, 19953124), (14, 9976562), (28, 4988281), (313, 446236), (626, 223118), (1252, 111559), (2191, 63748), (4382, 31874), (8764, 15937)]