71509516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{31981}}^1$

素因数の和:32041

約数の個数: 24

約数和(自身を含む): 137906384

約数和(自身を除く): 66396868

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 31981, 63962, 127924, 415753, 831506, 1375183, 1663012, 2750366, 5500732, 17877379, 35754758, 71509516]

約数ペア:

[(1, 71509516), (2, 35754758), (4, 17877379), (13, 5500732), (26, 2750366), (43, 1663012), (52, 1375183), (86, 831506), (172, 415753), (559, 127924), (1118, 63962), (2236, 31981)]