16754276

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 39261600

約数和(自身を除く): 22507324

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 409, 418, 532, 539, 818, 836, 931, 1078, 1463, 1636, 1862, 2156, 2863, 2926, 3724, 4499, 5726, 5852, 7771, 8998, 10241, 11452, 15542, 17996, 20041, 20482, 31084, 31493, 40082, 40964, 54397, 62986, 80164, 85481, 108794, 125972, 170962, 217588, 220451, 341924, 380779, 440902, 598367, 761558, 881804, 1196734, 1523116, 2393468, 4188569, 8377138, 16754276]

約数ペア:

[(1, 16754276), (2, 8377138), (4, 4188569), (7, 2393468), (11, 1523116), (14, 1196734), (19, 881804), (22, 761558), (28, 598367), (38, 440902), (44, 380779), (49, 341924), (76, 220451), (77, 217588), (98, 170962), (133, 125972), (154, 108794), (196, 85481), (209, 80164), (266, 62986), (308, 54397), (409, 40964), (418, 40082), (532, 31493), (539, 31084), (818, 20482), (836, 20041), (931, 17996), (1078, 15542), (1463, 11452), (1636, 10241), (1862, 8998), (2156, 7771), (2863, 5852), (2926, 5726), (3724, 4499)]