71487887

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^2$

素因数の和:191

約数の個数: 18

約数和(自身を含む): 78279336

約数和(自身を除く): 6791449

約数列:

[1, 23, 41, 43, 943, 989, 1681, 1763, 1849, 38663, 40549, 42527, 72283, 75809, 1662509, 1743607, 3108169, 71487887]

約数ペア:

[(1, 71487887), (23, 3108169), (41, 1743607), (43, 1662509), (943, 75809), (989, 72283), (1681, 42527), (1763, 40549), (1849, 38663)]