66721788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{264769}}^1$

素因数の和:264786

約数の個数: 36

約数和(自身を含む): 192752560

約数和(自身を除く): 126030772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 264769, 529538, 794307, 1059076, 1588614, 1853383, 2382921, 3177228, 3706766, 4765842, 5560149, 7413532, 9531684, 11120298, 16680447, 22240596, 33360894, 66721788]

約数ペア:

[(1, 66721788), (2, 33360894), (3, 22240596), (4, 16680447), (6, 11120298), (7, 9531684), (9, 7413532), (12, 5560149), (14, 4765842), (18, 3706766), (21, 3177228), (28, 2382921), (36, 1853383), (42, 1588614), (63, 1059076), (84, 794307), (126, 529538), (252, 264769)]