313739324

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{217271}}^1$

素因数の和:217313

約数の個数: 18

約数和(自身を含む): 579464424

約数和(自身を除く): 265725100

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 217271, 434542, 869084, 4128149, 8256298, 16512596, 78434831, 156869662, 313739324]

約数ペア:

[(1, 313739324), (2, 156869662), (4, 78434831), (19, 16512596), (38, 8256298), (76, 4128149), (361, 869084), (722, 434542), (1444, 217271)]