81641364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{971921}}^1$

素因数の和:971935

約数の個数: 24

約数和(自身を含む): 217710528

約数和(自身を除く): 136069164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 971921, 1943842, 2915763, 3887684, 5831526, 6803447, 11663052, 13606894, 20410341, 27213788, 40820682, 81641364]

約数ペア:

[(1, 81641364), (2, 40820682), (3, 27213788), (4, 20410341), (6, 13606894), (7, 11663052), (12, 6803447), (14, 5831526), (21, 3887684), (28, 2915763), (42, 1943842), (84, 971921)]