747784387

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2707}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 942817280

約数和(自身を除く): 195032893

約数列:

[1, 7, 19, 31, 67, 133, 217, 469, 589, 1273, 2077, 2707, 4123, 8911, 14539, 18949, 39463, 51433, 83917, 181369, 276241, 360031, 587419, 1269583, 1594423, 3446011, 5622439, 11160961, 24122077, 39357073, 106826341, 747784387]

約数ペア:

[(1, 747784387), (7, 106826341), (19, 39357073), (31, 24122077), (67, 11160961), (133, 5622439), (217, 3446011), (469, 1594423), (589, 1269583), (1273, 587419), (2077, 360031), (2707, 276241), (4123, 181369), (8911, 83917), (14539, 51433), (18949, 39463)]