197011969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 259983360

約数和(自身を除く): 62971391

約数列:

[1, 7, 11, 19, 77, 133, 209, 311, 433, 1463, 2177, 3031, 3421, 4763, 5909, 8227, 23947, 33341, 41363, 57589, 64999, 90497, 134663, 454993, 633479, 942641, 1481293, 2558597, 10369051, 17910179, 28144567, 197011969]

約数ペア:

[(1, 197011969), (7, 28144567), (11, 17910179), (19, 10369051), (77, 2558597), (133, 1481293), (209, 942641), (311, 633479), (433, 454993), (1463, 134663), (2177, 90497), (3031, 64999), (3421, 57589), (4763, 41363), (5909, 33341), (8227, 23947)]