28686918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367781}}^1$

素因数の和:367799

約数の個数: 16

約数和(自身を含む): 61787376

約数和(自身を除く): 33100458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 367781, 735562, 1103343, 2206686, 4781153, 9562306, 14343459, 28686918]

約数ペア:

[(1, 28686918), (2, 14343459), (3, 9562306), (6, 4781153), (13, 2206686), (26, 1103343), (39, 735562), (78, 367781)]