27981296

素因数分解:

$2^4\times 7^1\times {\mathrm{249833}}^1$

素因数の和:249848

約数の個数: 20

約数和(自身を含む): 61958832

約数和(自身を除く): 33977536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 249833, 499666, 999332, 1748831, 1998664, 3497662, 3997328, 6995324, 13990648, 27981296]

約数ペア:

[(1, 27981296), (2, 13990648), (4, 6995324), (7, 3997328), (8, 3497662), (14, 1998664), (16, 1748831), (28, 999332), (56, 499666), (112, 249833)]