251206722

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63149}}^1$

素因数の和:63187

約数の個数: 48

約数和(自身を含む): 620638200

約数和(自身を除く): 369431478

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 63149, 126298, 189447, 378894, 568341, 820937, 1073533, 1136682, 1641874, 2147066, 2462811, 3220599, 4925622, 6441198, 7388433, 9661797, 13955929, 14776866, 19323594, 27911858, 41867787, 83735574, 125603361, 251206722]

約数ペア:

[(1, 251206722), (2, 125603361), (3, 83735574), (6, 41867787), (9, 27911858), (13, 19323594), (17, 14776866), (18, 13955929), (26, 9661797), (34, 7388433), (39, 6441198), (51, 4925622), (78, 3220599), (102, 2462811), (117, 2147066), (153, 1641874), (221, 1136682), (234, 1073533), (306, 820937), (442, 568341), (663, 378894), (1326, 189447), (1989, 126298), (3978, 63149)]