81657364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7211}}^1$

素因数の和:7383

約数の個数: 24

約数和(自身を含む): 151452000

約数和(自身を除く): 69794636

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 2831, 5662, 7211, 11324, 14422, 28844, 137009, 274018, 548036, 1074439, 2148878, 4297756, 20414341, 40828682, 81657364]

約数ペア:

[(1, 81657364), (2, 40828682), (4, 20414341), (19, 4297756), (38, 2148878), (76, 1074439), (149, 548036), (298, 274018), (596, 137009), (2831, 28844), (5662, 14422), (7211, 11324)]