256220187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{104537}}^1$

素因数の和:104602

約数の個数: 16

約数和(自身を含む): 367973760

約数和(自身を除く): 111753573

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 104537, 313611, 1986203, 4495091, 5958609, 13485273, 85406729, 256220187]

約数ペア:

[(1, 256220187), (3, 85406729), (19, 13485273), (43, 5958609), (57, 4495091), (129, 1986203), (817, 313611), (2451, 104537)]