216442009

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{1607}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 251928576

約数和(自身を除く): 35486567

約数列:

[1, 7, 71, 271, 497, 1607, 1897, 11249, 19241, 114097, 134687, 435497, 798679, 3048479, 30920287, 216442009]

約数ペア:

[(1, 216442009), (7, 30920287), (71, 3048479), (271, 798679), (497, 435497), (1607, 134687), (1897, 114097), (11249, 19241)]