28098818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17989}}^1$

素因数の和:18073

約数の個数: 16

約数和(自身を含む): 46630080

約数和(自身を除く): 18531262

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 17989, 35978, 197879, 395758, 1277219, 2554438, 14049409, 28098818]

約数ペア:

[(1, 28098818), (2, 14049409), (11, 2554438), (22, 1277219), (71, 395758), (142, 197879), (781, 35978), (1562, 17989)]