26156720456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{2689}}^1$

素因数の和:3430

約数の個数: 64

約数和(自身を含む): 51555033600

約数和(自身を除く): 25398313144

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 643, 1286, 1891, 2572, 2689, 3782, 5144, 5378, 7564, 10756, 15128, 19933, 21512, 39223, 39866, 78446, 79732, 83359, 156892, 159464, 164029, 166718, 313784, 328058, 333436, 656116, 666872, 1215913, 1312232, 1729027, 2431826, 3458054, 4863652, 5084899, 6916108, 9727304, 10169798, 13832216, 20339596, 40679192, 53599837, 105470647, 107199674, 210941294, 214399348, 421882588, 428798696, 843765176, 3269590057, 6539180114, 13078360228, 26156720456]

約数ペア:

[(1, 26156720456), (2, 13078360228), (4, 6539180114), (8, 3269590057), (31, 843765176), (61, 428798696), (62, 421882588), (122, 214399348), (124, 210941294), (244, 107199674), (248, 105470647), (488, 53599837), (643, 40679192), (1286, 20339596), (1891, 13832216), (2572, 10169798), (2689, 9727304), (3782, 6916108), (5144, 5084899), (5378, 4863652), (7564, 3458054), (10756, 2431826), (15128, 1729027), (19933, 1312232), (21512, 1215913), (39223, 666872), (39866, 656116), (78446, 333436), (79732, 328058), (83359, 313784), (156892, 166718), (159464, 164029)]