247719578

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1\times {\mathrm{971}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 374414400

約数和(自身を除く): 126694822

約数列:

[1, 2, 199, 398, 641, 971, 1282, 1942, 127559, 193229, 255118, 386458, 622411, 1244822, 123859789, 247719578]

約数ペア:

[(1, 247719578), (2, 123859789), (199, 1244822), (398, 622411), (641, 386458), (971, 255118), (1282, 193229), (1942, 127559)]