12688555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 16689888

約数和(自身を除く): 4001333

約数列:

[1, 5, 11, 55, 281, 821, 1405, 3091, 4105, 9031, 15455, 45155, 230701, 1153505, 2537711, 12688555]

約数ペア:

[(1, 12688555), (5, 2537711), (11, 1153505), (55, 230701), (281, 45155), (821, 15455), (1405, 9031), (3091, 4105)]