13128272

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{5903}}^1$

素因数の和:6050

約数の個数: 20

約数和(自身を含む): 25623360

約数和(自身を除く): 12495088

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 5903, 11806, 23612, 47224, 94448, 820517, 1641034, 3282068, 6564136, 13128272]

約数ペア:

[(1, 13128272), (2, 6564136), (4, 3282068), (8, 1641034), (16, 820517), (139, 94448), (278, 47224), (556, 23612), (1112, 11806), (2224, 5903)]