278851278

素因数分解:

$2^1\times 3^1\times {\mathrm{2213}}^1\times {\mathrm{21001}}^1$

素因数の和:23219

約数の個数: 16

約数和(自身を含む): 557981136

約数和(自身を除く): 279129858

約数列:

[1, 2, 3, 6, 2213, 4426, 6639, 13278, 21001, 42002, 63003, 126006, 46475213, 92950426, 139425639, 278851278]

約数ペア:

[(1, 278851278), (2, 139425639), (3, 92950426), (6, 46475213), (2213, 126006), (4426, 63003), (6639, 42002), (13278, 21001)]