1279740028

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1062907}}^1$

素因数の和:1062961

約数の個数: 24

約数和(自身を含む): 2619005312

約数和(自身を除く): 1339265284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1062907, 2125814, 4251628, 7440349, 14880698, 29761396, 45705001, 91410002, 182820004, 319935007, 639870014, 1279740028]

約数ペア:

[(1, 1279740028), (2, 639870014), (4, 319935007), (7, 182820004), (14, 91410002), (28, 45705001), (43, 29761396), (86, 14880698), (172, 7440349), (301, 4251628), (602, 2125814), (1204, 1062907)]