216791311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{17581}}^1$

素因数の和:17670

約数の個数: 16

約数和(自身を含む): 253180800

約数和(自身を除く): 36389489

約数列:

[1, 11, 19, 59, 209, 649, 1121, 12331, 17581, 193391, 334039, 1037279, 3674429, 11410069, 19708301, 216791311]

約数ペア:

[(1, 216791311), (11, 19708301), (19, 11410069), (59, 3674429), (209, 1037279), (649, 334039), (1121, 193391), (12331, 17581)]