209568238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{21503}}^1$

素因数の和:21959

約数の個数: 16

約数和(自身を含む): 343719936

約数和(自身を除く): 134151698

約数列:

[1, 2, 11, 22, 443, 886, 4873, 9746, 21503, 43006, 236533, 473066, 9525829, 19051658, 104784119, 209568238]

約数ペア:

[(1, 209568238), (2, 104784119), (11, 19051658), (22, 9525829), (443, 473066), (886, 236533), (4873, 43006), (9746, 21503)]