81289368

素因数分解:

$2^3\times 3^2\times {\mathrm{1129019}}^1$

素因数の和:1129031

約数の個数: 24

約数和(自身を含む): 220158900

約数和(自身を除く): 138869532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1129019, 2258038, 3387057, 4516076, 6774114, 9032152, 10161171, 13548228, 20322342, 27096456, 40644684, 81289368]

約数ペア:

[(1, 81289368), (2, 40644684), (3, 27096456), (4, 20322342), (6, 13548228), (8, 10161171), (9, 9032152), (12, 6774114), (18, 4516076), (24, 3387057), (36, 2258038), (72, 1129019)]