2355221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 2764800

約数和(自身を除く): 409579

約数列:

[1, 11, 19, 59, 191, 209, 649, 1121, 2101, 3629, 11269, 12331, 39919, 123959, 214111, 2355221]

約数ペア:

[(1, 2355221), (11, 214111), (19, 123959), (59, 39919), (191, 12331), (209, 11269), (649, 3629), (1121, 2101)]