161962916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{10709}}^1$

素因数の和:10931

約数の個数: 24

約数和(自身を含む): 299880000

約数和(自身を除く): 137917084

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 3781, 7562, 10709, 15124, 21418, 42836, 203471, 406942, 813884, 2131091, 4262182, 8524364, 40490729, 80981458, 161962916]

約数ペア:

[(1, 161962916), (2, 80981458), (4, 40490729), (19, 8524364), (38, 4262182), (76, 2131091), (199, 813884), (398, 406942), (796, 203471), (3781, 42836), (7562, 21418), (10709, 15124)]