205121556

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{80251}}^1$

素因数の和:80332

約数の個数: 36

約数和(自身を含む): 525811104

約数和(自身を除く): 320689548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 80251, 160502, 240753, 321004, 481506, 722259, 963012, 1444518, 2889036, 5697821, 11395642, 17093463, 22791284, 34186926, 51280389, 68373852, 102560778, 205121556]

約数ペア:

[(1, 205121556), (2, 102560778), (3, 68373852), (4, 51280389), (6, 34186926), (9, 22791284), (12, 17093463), (18, 11395642), (36, 5697821), (71, 2889036), (142, 1444518), (213, 963012), (284, 722259), (426, 481506), (639, 321004), (852, 240753), (1278, 160502), (2556, 80251)]