278320112

素因数分解:

$2^4\times 7^1\times {\mathrm{2485001}}^1$

素因数の和:2485016

約数の個数: 20

約数和(自身を含む): 616280496

約数和(自身を除く): 337960384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2485001, 4970002, 9940004, 17395007, 19880008, 34790014, 39760016, 69580028, 139160056, 278320112]

約数ペア:

[(1, 278320112), (2, 139160056), (4, 69580028), (7, 39760016), (8, 34790014), (14, 19880008), (16, 17395007), (28, 9940004), (56, 4970002), (112, 2485001)]