163890448

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{249833}}^1$

素因数の和:249882

約数の個数: 20

約数和(自身を含む): 325283868

約数和(自身を除く): 161393420

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 249833, 499666, 999332, 1998664, 3997328, 10243153, 20486306, 40972612, 81945224, 163890448]

約数ペア:

[(1, 163890448), (2, 81945224), (4, 40972612), (8, 20486306), (16, 10243153), (41, 3997328), (82, 1998664), (164, 999332), (328, 499666), (656, 249833)]