247029688

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{222149}}^1$

素因数の和:222294

約数の個数: 16

約数和(自身を含む): 466515000

約数和(自身を除く): 219485312

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 222149, 444298, 888596, 1777192, 30878711, 61757422, 123514844, 247029688]

約数ペア:

[(1, 247029688), (2, 123514844), (4, 61757422), (8, 30878711), (139, 1777192), (278, 888596), (556, 444298), (1112, 222149)]