81270798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13921}}^1$

素因数の和:14072

約数の個数: 32

約数和(自身を含む): 187111680

約数和(自身を除く): 105840882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 5838, 13921, 27842, 41763, 83526, 97447, 194894, 292341, 584682, 1935019, 3870038, 5805057, 11610114, 13545133, 27090266, 40635399, 81270798]

約数ペア:

[(1, 81270798), (2, 40635399), (3, 27090266), (6, 13545133), (7, 11610114), (14, 5805057), (21, 3870038), (42, 1935019), (139, 584682), (278, 292341), (417, 194894), (834, 97447), (973, 83526), (1946, 41763), (2919, 27842), (5838, 13921)]