28667386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18353}}^1$

素因数の和:18437

約数の個数: 16

約数和(自身を含む): 47573568

約数和(自身を除く): 18906182

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18353, 36706, 201883, 403766, 1303063, 2606126, 14333693, 28667386]

約数ペア:

[(1, 28667386), (2, 14333693), (11, 2606126), (22, 1303063), (71, 403766), (142, 201883), (781, 36706), (1562, 18353)]