12656812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 27408640

約数和(自身を除く): 14751828

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 643, 703, 1036, 1286, 1406, 2572, 2812, 4501, 4921, 9002, 9842, 12217, 18004, 19684, 23791, 24434, 47582, 48868, 85519, 95164, 166537, 171038, 333074, 342076, 452029, 666148, 904058, 1808116, 3164203, 6328406, 12656812]

約数ペア:

[(1, 12656812), (2, 6328406), (4, 3164203), (7, 1808116), (14, 904058), (19, 666148), (28, 452029), (37, 342076), (38, 333074), (74, 171038), (76, 166537), (133, 95164), (148, 85519), (259, 48868), (266, 47582), (518, 24434), (532, 23791), (643, 19684), (703, 18004), (1036, 12217), (1286, 9842), (1406, 9002), (2572, 4921), (2812, 4501)]