28170898

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{32987}}^1$

素因数の和:33057

約数の個数: 16

約数和(自身を含む): 49086144

約数和(自身を除く): 20915246

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 32987, 65974, 230909, 461818, 2012207, 4024414, 14085449, 28170898]

約数ペア:

[(1, 28170898), (2, 14085449), (7, 4024414), (14, 2012207), (61, 461818), (122, 230909), (427, 65974), (854, 32987)]