81409666

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{2251}}^1$

素因数の和:2386

約数の個数: 24

約数和(自身を含む): 133525584

約数和(自身を除く): 52115918

約数列:

[1, 2, 13, 26, 107, 169, 214, 338, 1391, 2251, 2782, 4502, 18083, 29263, 36166, 58526, 240857, 380419, 481714, 760838, 3131141, 6262282, 40704833, 81409666]

約数ペア:

[(1, 81409666), (2, 40704833), (13, 6262282), (26, 3131141), (107, 760838), (169, 481714), (214, 380419), (338, 240857), (1391, 58526), (2251, 36166), (2782, 29263), (4502, 18083)]