209938586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1657}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 371020608

約数和(自身を除く): 161082022

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 443, 886, 1657, 3314, 4873, 5759, 9746, 11518, 18227, 21541, 36454, 43082, 63349, 126698, 236951, 473902, 734051, 1468102, 8074561, 9542663, 16149122, 19085326, 104969293, 209938586]

約数ペア:

[(1, 209938586), (2, 104969293), (11, 19085326), (13, 16149122), (22, 9542663), (26, 8074561), (143, 1468102), (286, 734051), (443, 473902), (886, 236951), (1657, 126698), (3314, 63349), (4873, 43082), (5759, 36454), (9746, 21541), (11518, 18227)]