1256984

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 2391120

約数和(自身を除く): 1134136

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 2213, 4426, 8852, 17704, 157123, 314246, 628492, 1256984]

約数ペア:

[(1, 1256984), (2, 628492), (4, 314246), (8, 157123), (71, 17704), (142, 8852), (284, 4426), (568, 2213)]