12878756

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 25824960

約数和(自身を除く): 12946204

約数列:

[1, 2, 4, 11, 22, 41, 44, 59, 82, 118, 121, 164, 236, 242, 451, 484, 649, 902, 1298, 1331, 1804, 2419, 2596, 2662, 4838, 4961, 5324, 7139, 9676, 9922, 14278, 19844, 26609, 28556, 53218, 54571, 78529, 106436, 109142, 157058, 218284, 292699, 314116, 585398, 1170796, 3219689, 6439378, 12878756]

約数ペア:

[(1, 12878756), (2, 6439378), (4, 3219689), (11, 1170796), (22, 585398), (41, 314116), (44, 292699), (59, 218284), (82, 157058), (118, 109142), (121, 106436), (164, 78529), (236, 54571), (242, 53218), (451, 28556), (484, 26609), (649, 19844), (902, 14278), (1298, 9922), (1331, 9676), (1804, 7139), (2419, 5324), (2596, 4961), (2662, 4838)]