12981072

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 36747648

約数和(自身を除く): 23766576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 293, 312, 426, 568, 586, 624, 852, 879, 923, 1136, 1172, 1704, 1758, 1846, 2344, 2769, 3408, 3516, 3692, 3809, 4688, 5538, 7032, 7384, 7618, 11076, 11427, 14064, 14768, 15236, 20803, 22152, 22854, 30472, 41606, 44304, 45708, 60944, 62409, 83212, 91416, 124818, 166424, 182832, 249636, 270439, 332848, 499272, 540878, 811317, 998544, 1081756, 1622634, 2163512, 3245268, 4327024, 6490536, 12981072]

約数ペア:

[(1, 12981072), (2, 6490536), (3, 4327024), (4, 3245268), (6, 2163512), (8, 1622634), (12, 1081756), (13, 998544), (16, 811317), (24, 540878), (26, 499272), (39, 332848), (48, 270439), (52, 249636), (71, 182832), (78, 166424), (104, 124818), (142, 91416), (156, 83212), (208, 62409), (213, 60944), (284, 45708), (293, 44304), (312, 41606), (426, 30472), (568, 22854), (586, 22152), (624, 20803), (852, 15236), (879, 14768), (923, 14064), (1136, 11427), (1172, 11076), (1704, 7618), (1758, 7384), (1846, 7032), (2344, 5538), (2769, 4688), (3408, 3809), (3516, 3692)]