28711748

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42473}}^1$

素因数の和:42503

約数の個数: 18

約数和(自身を含む): 54409194

約数和(自身を除く): 25697446

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42473, 84946, 169892, 552149, 1104298, 2208596, 7177937, 14355874, 28711748]

約数ペア:

[(1, 28711748), (2, 14355874), (4, 7177937), (13, 2208596), (26, 1104298), (52, 552149), (169, 169892), (338, 84946), (676, 42473)]