13142728

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 12258872

約数列:

[1, 2, 4, 8, 53, 106, 139, 212, 223, 278, 424, 446, 556, 892, 1112, 1784, 7367, 11819, 14734, 23638, 29468, 30997, 47276, 58936, 61994, 94552, 123988, 247976, 1642841, 3285682, 6571364, 13142728]

約数ペア:

[(1, 13142728), (2, 6571364), (4, 3285682), (8, 1642841), (53, 247976), (106, 123988), (139, 94552), (212, 61994), (223, 58936), (278, 47276), (424, 30997), (446, 29468), (556, 23638), (892, 14734), (1112, 11819), (1784, 7367)]