253396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 522144

約数和(自身を除く): 268748

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 443, 572, 886, 1772, 4873, 5759, 9746, 11518, 19492, 23036, 63349, 126698, 253396]

約数ペア:

[(1, 253396), (2, 126698), (4, 63349), (11, 23036), (13, 19492), (22, 11518), (26, 9746), (44, 5759), (52, 4873), (143, 1772), (286, 886), (443, 572)]