28017938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63389}}^1$

素因数の和:63421

約数の個数: 16

約数和(自身を含む): 47922840

約数和(自身を除く): 19904902

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63389, 126778, 824057, 1077613, 1648114, 2155226, 14008969, 28017938]

約数ペア:

[(1, 28017938), (2, 14008969), (13, 2155226), (17, 1648114), (26, 1077613), (34, 824057), (221, 126778), (442, 63389)]