28766969

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 39165840

約数和(自身を除く): 10398871

約数列:

[1, 7, 11, 19, 49, 53, 77, 133, 209, 371, 539, 583, 931, 1007, 1463, 2597, 2809, 4081, 7049, 10241, 11077, 19663, 28567, 30899, 49343, 53371, 77539, 137641, 216293, 373597, 542773, 587081, 1514051, 2615179, 4109567, 28766969]

約数ペア:

[(1, 28766969), (7, 4109567), (11, 2615179), (19, 1514051), (49, 587081), (53, 542773), (77, 373597), (133, 216293), (209, 137641), (371, 77539), (539, 53371), (583, 49343), (931, 30899), (1007, 28567), (1463, 19663), (2597, 11077), (2809, 10241), (4081, 7049)]