218804957

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{17203}}^1$

素因数の和:17312

約数の個数: 16

約数和(自身を含む): 264253440

約数和(自身を除く): 45448483

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 17203, 120421, 395669, 1359037, 2769683, 9513259, 31257851, 218804957]

約数ペア:

[(1, 218804957), (7, 31257851), (23, 9513259), (79, 2769683), (161, 1359037), (553, 395669), (1817, 120421), (12719, 17203)]