213991396

素因数分解:

$2^2\times {\mathrm{5081}}^1\times {\mathrm{10529}}^1$

素因数の和:15614

約数の個数: 12

約数和(自身を含む): 374594220

約数和(自身を除く): 160602824

約数列:

[1, 2, 4, 5081, 10162, 10529, 20324, 21058, 42116, 53497849, 106995698, 213991396]

約数ペア:

[(1, 213991396), (2, 106995698), (4, 53497849), (5081, 42116), (10162, 21058), (10529, 20324)]