80540474

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{28909}}^1$

素因数の和:29117

約数の個数: 16

約数和(自身を含む): 138768000

約数和(自身を除く): 58227526

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 28909, 57818, 202363, 404726, 5752891, 11505782, 40270237, 80540474]

約数ペア:

[(1, 80540474), (2, 40270237), (7, 11505782), (14, 5752891), (199, 404726), (398, 202363), (1393, 57818), (2786, 28909)]