12986974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 26352000

約数和(自身を除く): 13365026

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 499, 998, 1001, 1183, 1859, 2002, 2366, 3493, 3718, 5489, 6487, 6986, 10978, 12974, 13013, 26026, 38423, 45409, 71357, 76846, 84331, 90818, 142714, 168662, 499499, 590317, 927641, 998998, 1180634, 1855282, 6493487, 12986974]

約数ペア:

[(1, 12986974), (2, 6493487), (7, 1855282), (11, 1180634), (13, 998998), (14, 927641), (22, 590317), (26, 499499), (77, 168662), (91, 142714), (143, 90818), (154, 84331), (169, 76846), (182, 71357), (286, 45409), (338, 38423), (499, 26026), (998, 13013), (1001, 12974), (1183, 10978), (1859, 6986), (2002, 6487), (2366, 5489), (3493, 3718)]