668588644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{82217}}^1$

素因数の和:82347

約数の個数: 24

約数和(自身を含む): 1243136160

約数和(自身を除く): 574547516

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 4066, 8132, 82217, 164434, 328868, 1562123, 3124246, 6248492, 8797219, 17594438, 35188876, 167147161, 334294322, 668588644]

約数ペア:

[(1, 668588644), (2, 334294322), (4, 167147161), (19, 35188876), (38, 17594438), (76, 8797219), (107, 6248492), (214, 3124246), (428, 1562123), (2033, 328868), (4066, 164434), (8132, 82217)]