28144188

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{18181}}^1$

素因数の和:18234

約数の個数: 36

約数和(自身を含む): 72800728

約数和(自身を除く): 44656540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 18181, 36362, 54543, 72724, 109086, 163629, 218172, 327258, 654516, 781783, 1563566, 2345349, 3127132, 4690698, 7036047, 9381396, 14072094, 28144188]

約数ペア:

[(1, 28144188), (2, 14072094), (3, 9381396), (4, 7036047), (6, 4690698), (9, 3127132), (12, 2345349), (18, 1563566), (36, 781783), (43, 654516), (86, 327258), (129, 218172), (172, 163629), (258, 109086), (387, 72724), (516, 54543), (774, 36362), (1548, 18181)]