81499788

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{23339}}^1$

素因数の和:23446

約数の個数: 36

約数和(自身を含む): 208146120

約数和(自身を除く): 126646332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 23339, 46678, 70017, 93356, 140034, 210051, 280068, 420102, 840204, 2263883, 4527766, 6791649, 9055532, 13583298, 20374947, 27166596, 40749894, 81499788]

約数ペア:

[(1, 81499788), (2, 40749894), (3, 27166596), (4, 20374947), (6, 13583298), (9, 9055532), (12, 6791649), (18, 4527766), (36, 2263883), (97, 840204), (194, 420102), (291, 280068), (388, 210051), (582, 140034), (873, 93356), (1164, 70017), (1746, 46678), (3492, 23339)]