12945937072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 25962659712

約数和(自身を除く): 13016722640

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 211, 257, 344, 347, 422, 514, 688, 694, 844, 1028, 1388, 1688, 2056, 2776, 3376, 4112, 5552, 9073, 11051, 14921, 18146, 22102, 29842, 36292, 44204, 54227, 59684, 72584, 73217, 88408, 89179, 108454, 119368, 145168, 146434, 176816, 178358, 216908, 238736, 292868, 356716, 433816, 585736, 713432, 867632, 1171472, 1426864, 2331761, 3148331, 3834697, 4663522, 6296662, 7669394, 9327044, 12593324, 15338788, 18654088, 18816769, 25186648, 30677576, 37308176, 37633538, 50373296, 61355152, 75267076, 150534152, 301068304, 809121067, 1618242134, 3236484268, 6472968536, 12945937072]

約数ペア:

[(1, 12945937072), (2, 6472968536), (4, 3236484268), (8, 1618242134), (16, 809121067), (43, 301068304), (86, 150534152), (172, 75267076), (211, 61355152), (257, 50373296), (344, 37633538), (347, 37308176), (422, 30677576), (514, 25186648), (688, 18816769), (694, 18654088), (844, 15338788), (1028, 12593324), (1388, 9327044), (1688, 7669394), (2056, 6296662), (2776, 4663522), (3376, 3834697), (4112, 3148331), (5552, 2331761), (9073, 1426864), (11051, 1171472), (14921, 867632), (18146, 713432), (22102, 585736), (29842, 433816), (36292, 356716), (44204, 292868), (54227, 238736), (59684, 216908), (72584, 178358), (73217, 176816), (88408, 146434), (89179, 145168), (108454, 119368)]